Get Staffed Online Recruitment Limited
Alton, Hampshire
Mechanical Installation Trainee Fire Suppression Engineer Location: National Role - Travel and staying away will be required from time to time Type: Full-time Salary: £26,000 - £28,000 per annum plus annual commission/bonuses Benefits: Company Phone, Van, Laptop and Tooling provided; Private Medical Cover About Our Client Our client is the UK's leading provider of data centre gas operated suppression systems and equipment. They are a UK SME that specialises in fire suppression, providing a broad range of services from fully managed solutions to consultancy. Their workforce takes great pride in what they do and consistently deliver assurance, compliance and quality. Even though they began in 2015 they bring a vast wealth of over 80 years combined fire engineering experience. About the Job This is a diverse role that covers a whole range of Fire Suppression Systems. They are looking to employ individuals that are keen to learn a new skillset and commence a new career path in the installation of steel pipework for both new and existing installations. You would be responsible for assisting in the physical installation, utilising detailed in-house prepared drawings and system flow calculations for fixed extinguishing systems on a large portfolio of high-profile sites across the UK. You will be responsible for installing systems to a high standard and this would entail working closely with the lead Mechanical Fire Suppression Installation Engineer. Having a great eye for detail you will be key in ensuring any design changes are captured and communicated with the project team, effectively and efficiently. Experience / Skills / Competencies: Must have a great work ethic and a desire to learn practical skills. Previous mechanical installation experience is an advantage but not essential. Ability and willingness to follow instructions clearly and accurately. Full clean driving licence. H&S Training and Qualifications desirable but training will be provided. CSCS or equivalent is desirable but not essential, training will be given. Stay away will be required, due to the nature of the role. If this opportunity is of interest, apply now to be immediately considered.
Mar 07, 2025
Full time
Mechanical Installation Trainee Fire Suppression Engineer Location: National Role - Travel and staying away will be required from time to time Type: Full-time Salary: £26,000 - £28,000 per annum plus annual commission/bonuses Benefits: Company Phone, Van, Laptop and Tooling provided; Private Medical Cover About Our Client Our client is the UK's leading provider of data centre gas operated suppression systems and equipment. They are a UK SME that specialises in fire suppression, providing a broad range of services from fully managed solutions to consultancy. Their workforce takes great pride in what they do and consistently deliver assurance, compliance and quality. Even though they began in 2015 they bring a vast wealth of over 80 years combined fire engineering experience. About the Job This is a diverse role that covers a whole range of Fire Suppression Systems. They are looking to employ individuals that are keen to learn a new skillset and commence a new career path in the installation of steel pipework for both new and existing installations. You would be responsible for assisting in the physical installation, utilising detailed in-house prepared drawings and system flow calculations for fixed extinguishing systems on a large portfolio of high-profile sites across the UK. You will be responsible for installing systems to a high standard and this would entail working closely with the lead Mechanical Fire Suppression Installation Engineer. Having a great eye for detail you will be key in ensuring any design changes are captured and communicated with the project team, effectively and efficiently. Experience / Skills / Competencies: Must have a great work ethic and a desire to learn practical skills. Previous mechanical installation experience is an advantage but not essential. Ability and willingness to follow instructions clearly and accurately. Full clean driving licence. H&S Training and Qualifications desirable but training will be provided. CSCS or equivalent is desirable but not essential, training will be given. Stay away will be required, due to the nature of the role. If this opportunity is of interest, apply now to be immediately considered.
Trainee Traffic Maintenance Engineer When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7. Reporting into the Contract Manager, the Trainee Traffic Maintenance Engineer will join a talented team of Traffic Signals specialists in the Oxfordshire region. Due to growth and demand from our customer(s), we in a position to grow our Traffic team in this region. Due to our Social Value commitments, the successful candidate must live in the Oxfordshire region to be considered for this opportunity. What you'll do: As a Trainee Traffic Maintenance Engineer, you will work closely with one of our experienced Traffic Engineers to troubleshoot, fix, maintain, and test a range of Traffic Signals / Traffic Lights and electrical equipment that is associated with this, in and around the Oxfordshire region. Training isn't in a classroom, it is a healthy mix of 'on the job' learning, providing you with an opportunity to work towards an NVQ in Electrical Installations and Sector based certifications such as ECS and the National Highways Sector Scheme (NHSS) Chapter 8. Who you are: You will naturally have an interest in troubleshooting, fixing, testing and maintaining Electrical equipment, and already have some exposure to anything electrical - whether that's working with outdoor lighting, CCTV's, controllers, detection boxes, telecommunications / radio equipment etc, or you've had some experience via a College related course / Diploma. Key Requirements: Motivation and willingness to learn on the job and via online learning Previous experience of Electrical testing, maintenance, fixing or installing, or a holder of an Electrical course / diploma or similar Ability to problem solve and providing ideas - ultimately the job requires you to think outside the box, and working through "fault finding instructions" Full UK Driving Licence holder and live in the Oxfordshire region Able to and willing to undertake a Drugs & Alcohol test to ensure compliancy What we offer: A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver. We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work. The additional benefits with this role: Company Van 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually Company pension scheme A range of family friendly policies Occupational health support and wellbeing Portal Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme. Learn more about Telent: Click here for Telent Video! We're passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.
Feb 16, 2025
Full time
Trainee Traffic Maintenance Engineer When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7. Reporting into the Contract Manager, the Trainee Traffic Maintenance Engineer will join a talented team of Traffic Signals specialists in the Oxfordshire region. Due to growth and demand from our customer(s), we in a position to grow our Traffic team in this region. Due to our Social Value commitments, the successful candidate must live in the Oxfordshire region to be considered for this opportunity. What you'll do: As a Trainee Traffic Maintenance Engineer, you will work closely with one of our experienced Traffic Engineers to troubleshoot, fix, maintain, and test a range of Traffic Signals / Traffic Lights and electrical equipment that is associated with this, in and around the Oxfordshire region. Training isn't in a classroom, it is a healthy mix of 'on the job' learning, providing you with an opportunity to work towards an NVQ in Electrical Installations and Sector based certifications such as ECS and the National Highways Sector Scheme (NHSS) Chapter 8. Who you are: You will naturally have an interest in troubleshooting, fixing, testing and maintaining Electrical equipment, and already have some exposure to anything electrical - whether that's working with outdoor lighting, CCTV's, controllers, detection boxes, telecommunications / radio equipment etc, or you've had some experience via a College related course / Diploma. Key Requirements: Motivation and willingness to learn on the job and via online learning Previous experience of Electrical testing, maintenance, fixing or installing, or a holder of an Electrical course / diploma or similar Ability to problem solve and providing ideas - ultimately the job requires you to think outside the box, and working through "fault finding instructions" Full UK Driving Licence holder and live in the Oxfordshire region Able to and willing to undertake a Drugs & Alcohol test to ensure compliancy What we offer: A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver. We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work. The additional benefits with this role: Company Van 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually Company pension scheme A range of family friendly policies Occupational health support and wellbeing Portal Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme. Learn more about Telent: Click here for Telent Video! We're passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.
Trainee Telecommunication Engineers Salary circa 24,000 pa dependent on skills and experience + benefits Milton Keynes full UK driving licence required Full time, Permanent UK CommsLtd is a well-known and highly regarded company which specialises in designing and installing major in-building projects using Distributed Antenna Systems (DAS), small cells and other innovative technologies to improve wireless coverage and capacity; working with mobile operators, neutral host providers and property owners. An exciting opportunity has arisen for Trainee Telecommunication Engineers to join our team based in Milton Keynes. The Role Reporting to the Engineering Manager the successful Trainee Engineers will be trained across our business, to work as part of a team responsible for the design, installation, commissioning and testing of a range of in-building wireless communication systems throughout the UK. The role will consist of the following: In-building installation - Cat 6, Fibre and RF cabling Commissioning of in-building wireless systems Preparing reports Liaising with other departments and customers The Candidate: To be considered for our Trainee Telecommunication Engineer positions, we are looking for candidates who have the following skills, qualifications and experience: Competent user of MS Office Suite, Excel, Word & PowerPoint A high attention to detail and able to work and meet tight deadlines Have a flexible approach to the working day (this position will involve travel and sometimes working outside normal business hours) Enthusiastic and positive attitude Good communication skills Ability to thrive in a diverse cultural environment Education & Qualifications: Have held a full UK manual driving licence for at least 12 months and have no more than 6 points Must be eligible to live and work in the UK CNCI or NVQ level qualifications desired but not essential as training will be provided Trainee Telecommunication Engineers Benefits: A competitive starting salary from £24,000 per annum (DoE) Training & personal development plan Company pension Holiday entitlement 20 days plus bank holidays Staff bonuses and incentives If you feel you have the skills for our Trainee Telecommunications Engineer, please apply now with your updated Cv. INDLS
Feb 15, 2025
Full time
Trainee Telecommunication Engineers Salary circa 24,000 pa dependent on skills and experience + benefits Milton Keynes full UK driving licence required Full time, Permanent UK CommsLtd is a well-known and highly regarded company which specialises in designing and installing major in-building projects using Distributed Antenna Systems (DAS), small cells and other innovative technologies to improve wireless coverage and capacity; working with mobile operators, neutral host providers and property owners. An exciting opportunity has arisen for Trainee Telecommunication Engineers to join our team based in Milton Keynes. The Role Reporting to the Engineering Manager the successful Trainee Engineers will be trained across our business, to work as part of a team responsible for the design, installation, commissioning and testing of a range of in-building wireless communication systems throughout the UK. The role will consist of the following: In-building installation - Cat 6, Fibre and RF cabling Commissioning of in-building wireless systems Preparing reports Liaising with other departments and customers The Candidate: To be considered for our Trainee Telecommunication Engineer positions, we are looking for candidates who have the following skills, qualifications and experience: Competent user of MS Office Suite, Excel, Word & PowerPoint A high attention to detail and able to work and meet tight deadlines Have a flexible approach to the working day (this position will involve travel and sometimes working outside normal business hours) Enthusiastic and positive attitude Good communication skills Ability to thrive in a diverse cultural environment Education & Qualifications: Have held a full UK manual driving licence for at least 12 months and have no more than 6 points Must be eligible to live and work in the UK CNCI or NVQ level qualifications desired but not essential as training will be provided Trainee Telecommunication Engineers Benefits: A competitive starting salary from £24,000 per annum (DoE) Training & personal development plan Company pension Holiday entitlement 20 days plus bank holidays Staff bonuses and incentives If you feel you have the skills for our Trainee Telecommunications Engineer, please apply now with your updated Cv. INDLS
We are currently looking for a Trainee Electrical Service Technician/Site Services Engineer to work for one of our clients in Burton on Trent. The client is a market-leading manufacturer of specialist equipment to a range of industry sectors including heavy engineering and aerospace. Due to the specialist nature of the products the work is both interesting and varied and will involve fault finding/fault rectification, carrying electrical and some basic mechanical repairs, panel building and wiring and carrying out planned maintenance visits. In addition to the service and repair aspects of the role the work will also involve working on installation projects as and when required, together with testing and commissioning. This will also involve some surveying and estimating of materials needed and the creation of Risk Assessments and Method Statements The successful candidate must be qualified in an electrical discipline ideally to HNC level, although applications will be considered from those with an NVQ Level 3 or above. Some previous experience of working in electrical maintenance and/or installation work is required. Full training on the company's products will be given In addition, candidates must have some, if not all of the following:- • Strong fault-finding skills. • Ability to interrogate PLC programmes, I/O. Knowledge of Siemens S7 and Allen Bradley. • Ability to follow circuit diagrams and specifications. • Project installation work & panel building experience • Experience of commissioning new and refurbished machinery. • Basic mechanical installation skills. A working knowledge of combustion systems would be advantageous as would experience of working within the steel industry As this is a service role candidates must be willing to travel on a regular basis This is an excellent opportunity to join a friendly well-established company with excellent future prospects for the right candidates. Global Recruitment Services Ltd are a Recruitment Business based in the East Midlands. For more information and to apply please email your CV to us
Jan 05, 2024
Full time
We are currently looking for a Trainee Electrical Service Technician/Site Services Engineer to work for one of our clients in Burton on Trent. The client is a market-leading manufacturer of specialist equipment to a range of industry sectors including heavy engineering and aerospace. Due to the specialist nature of the products the work is both interesting and varied and will involve fault finding/fault rectification, carrying electrical and some basic mechanical repairs, panel building and wiring and carrying out planned maintenance visits. In addition to the service and repair aspects of the role the work will also involve working on installation projects as and when required, together with testing and commissioning. This will also involve some surveying and estimating of materials needed and the creation of Risk Assessments and Method Statements The successful candidate must be qualified in an electrical discipline ideally to HNC level, although applications will be considered from those with an NVQ Level 3 or above. Some previous experience of working in electrical maintenance and/or installation work is required. Full training on the company's products will be given In addition, candidates must have some, if not all of the following:- • Strong fault-finding skills. • Ability to interrogate PLC programmes, I/O. Knowledge of Siemens S7 and Allen Bradley. • Ability to follow circuit diagrams and specifications. • Project installation work & panel building experience • Experience of commissioning new and refurbished machinery. • Basic mechanical installation skills. A working knowledge of combustion systems would be advantageous as would experience of working within the steel industry As this is a service role candidates must be willing to travel on a regular basis This is an excellent opportunity to join a friendly well-established company with excellent future prospects for the right candidates. Global Recruitment Services Ltd are a Recruitment Business based in the East Midlands. For more information and to apply please email your CV to us
Junior Electronics Engineer Bracknell, Berkshire- Commutable from Slough, Maidenhead, Wokingham £26,000- £28,000 + Bonus (£4000 Circa) + Extensive Training + Progression + Excellent Benefits Rare and exciting role on offer for an enthusiastic, ambitious Trainee Engineer looking to work for a highly prestigious company who will offer international, world class training and enable you to work on cutting edge equipment and have opportunities to progress your career.Are you a recently qualified HND / HNC / BTEC from College in Electronics Engineering looking for a career within a highly technical sector where you will work on technically interesting products? Are you looking for extensive training to be a product expert?This market leading company are exclusive distributors of state of the art equipment which are supplied all across the world. They hold contracts for the installation, calibration, service and maintenance of crucial equipment and have seen year on year growth. Despite the Covid Crisis, this company have gone from strength to strength and with impressive growth plans moving forward they are looking to recruit an ambitious and enthusiastic Electronics Trainee who they can provide extensive training for them to become a product expert and help them progress through the business.Upon starting with the company you will undergo extensive manufacturers training from experts within their sector. You will be based from the offices in Wokingham where you will be trained to carry out the service, calibration and maintenance of the medical devices. After a period of extensive training you will have opportunities to progress into roles which would be either more technical or within the operations side of the business.This is a rare and exciting opportunity that would ideally suit a Trainee/ Junior Engineer who is looking for their first step within their career. They boast to retain a loyal, longstanding work force through offering excellent training, great working conditions, progression opportunities and also the chance to earn a very good package and have a fun working environment. The Role: Once trained- You will; Service, Maintenance and Calibration of Specialist equipment Ongoing training Based in Bracknell, Berkshire £26,000- £28,000 + Bonus (£4000 Circa) + Extensive Training + Progression + Excellent Benefits The Person: Trainee Electronics Engineer HND / HNC / BTEC Qualified in Electronics Must be able to travel Must have a Valid UK Passport Must be based within commutable distance to Bracknell, Berkshire Reference Number: BBBH 166069 To apply for this role or to be considered for further roles, please click "Apply Now" or contact Oliver Southward at Rise Technical Recruitment. Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set. We are an equal opportunities employer and welcome applications from all suitable candidates.
Dec 18, 2022
Full time
Junior Electronics Engineer Bracknell, Berkshire- Commutable from Slough, Maidenhead, Wokingham £26,000- £28,000 + Bonus (£4000 Circa) + Extensive Training + Progression + Excellent Benefits Rare and exciting role on offer for an enthusiastic, ambitious Trainee Engineer looking to work for a highly prestigious company who will offer international, world class training and enable you to work on cutting edge equipment and have opportunities to progress your career.Are you a recently qualified HND / HNC / BTEC from College in Electronics Engineering looking for a career within a highly technical sector where you will work on technically interesting products? Are you looking for extensive training to be a product expert?This market leading company are exclusive distributors of state of the art equipment which are supplied all across the world. They hold contracts for the installation, calibration, service and maintenance of crucial equipment and have seen year on year growth. Despite the Covid Crisis, this company have gone from strength to strength and with impressive growth plans moving forward they are looking to recruit an ambitious and enthusiastic Electronics Trainee who they can provide extensive training for them to become a product expert and help them progress through the business.Upon starting with the company you will undergo extensive manufacturers training from experts within their sector. You will be based from the offices in Wokingham where you will be trained to carry out the service, calibration and maintenance of the medical devices. After a period of extensive training you will have opportunities to progress into roles which would be either more technical or within the operations side of the business.This is a rare and exciting opportunity that would ideally suit a Trainee/ Junior Engineer who is looking for their first step within their career. They boast to retain a loyal, longstanding work force through offering excellent training, great working conditions, progression opportunities and also the chance to earn a very good package and have a fun working environment. The Role: Once trained- You will; Service, Maintenance and Calibration of Specialist equipment Ongoing training Based in Bracknell, Berkshire £26,000- £28,000 + Bonus (£4000 Circa) + Extensive Training + Progression + Excellent Benefits The Person: Trainee Electronics Engineer HND / HNC / BTEC Qualified in Electronics Must be able to travel Must have a Valid UK Passport Must be based within commutable distance to Bracknell, Berkshire Reference Number: BBBH 166069 To apply for this role or to be considered for further roles, please click "Apply Now" or contact Oliver Southward at Rise Technical Recruitment. Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set. We are an equal opportunities employer and welcome applications from all suitable candidates.
Refrigeration Engineer - North West - £33,000 - £40,000 per annumPackage: Starting salary from £33,000 - £40,000 / 42 hour week / Door to door Pay / No Bank Holiday working / Bonus scheme / on call 1 in 5 / over time paid at time / Company van (Can be used for personal use)Covering areas such as: Manchester, Liverpool and Preston Our client are a global provider of design, installation and maintenance contracts to some of the biggest brands in the world.Our refrigeration engineers are responsible for servicing and repairing a wide range of Refrigeration equipment throughout supermarkets including pack systems, display cabinets, chillers and freezers so you must be confident in this in order to be considered. Qualifications / Experience: To undertake responsive functions issued through the Service desk within set time frames to ensure SLA's are met. Troubleshoot & carry out diagnostic and fault finding of plant and equipment as required and inform Customer, Supervisors & Account Managers of the repairs required. Lower call volumes and gas usage by ensuring thorough investigations are carried out establishing the root cause of faults to ensure similar breakdowns are not repeated. Complete all necessary paperwork, customer in store e-based systems & administration and return to relevant parties as required, in real time (same day). Update all job details in PDA in real time Liaise with the Spares team to order parts where vehicle stocks are depleted / specialist parts are required. Take a proactive approach to client liaison and ensure that concerns are dealt with or relayed to management as appropriate. Assist in achieving 100% PPM maintenance completion when required Ensure the Company is always promoted in a professional manner, maintaining an appropriate attitude and appearance in front of the Customer. If assigned a trainee, mentor, and coach them to make sure they have the necessary skills and knowledge to progress their level of competence and ultimately their career development. To aid within allocated stores for other engineers and maintenance teams where required. Communicate to supervisors and account team to ensure business quotes for identified additional works outside of the contract. Monitor and ensure van stock levels are appropriate to allow for a high first fix percentage Must have worked in the industry for a minimum of 1 years on supermarket or industrial contracts. NVQ level 2 would be desirable. Must hold valid F-Gas certificate and full driving licence. CO2 & Hydrocarbon is desirable. Experience on Pack Systems is desirable. Proof of right to work in the UK. Package: Salary from £33,000 - £40,000 42 hour week Paid door to door Bonus scheme Please press apply now to submit your application. Alternatively, if you would like further information on this position or other positions win a similar sector, please feel free to contact our field service team for a confidential conversation.Relevant skills: Refrigeration, Fridge, Engineer, Technician, Supermarkets, Super Markets, F-Gas, Hydrofluorocarbon, HFC, Carbon dioxide, CO2, Supermarket refrigeration, Trans-critical cycle
Dec 01, 2022
Full time
Refrigeration Engineer - North West - £33,000 - £40,000 per annumPackage: Starting salary from £33,000 - £40,000 / 42 hour week / Door to door Pay / No Bank Holiday working / Bonus scheme / on call 1 in 5 / over time paid at time / Company van (Can be used for personal use)Covering areas such as: Manchester, Liverpool and Preston Our client are a global provider of design, installation and maintenance contracts to some of the biggest brands in the world.Our refrigeration engineers are responsible for servicing and repairing a wide range of Refrigeration equipment throughout supermarkets including pack systems, display cabinets, chillers and freezers so you must be confident in this in order to be considered. Qualifications / Experience: To undertake responsive functions issued through the Service desk within set time frames to ensure SLA's are met. Troubleshoot & carry out diagnostic and fault finding of plant and equipment as required and inform Customer, Supervisors & Account Managers of the repairs required. Lower call volumes and gas usage by ensuring thorough investigations are carried out establishing the root cause of faults to ensure similar breakdowns are not repeated. Complete all necessary paperwork, customer in store e-based systems & administration and return to relevant parties as required, in real time (same day). Update all job details in PDA in real time Liaise with the Spares team to order parts where vehicle stocks are depleted / specialist parts are required. Take a proactive approach to client liaison and ensure that concerns are dealt with or relayed to management as appropriate. Assist in achieving 100% PPM maintenance completion when required Ensure the Company is always promoted in a professional manner, maintaining an appropriate attitude and appearance in front of the Customer. If assigned a trainee, mentor, and coach them to make sure they have the necessary skills and knowledge to progress their level of competence and ultimately their career development. To aid within allocated stores for other engineers and maintenance teams where required. Communicate to supervisors and account team to ensure business quotes for identified additional works outside of the contract. Monitor and ensure van stock levels are appropriate to allow for a high first fix percentage Must have worked in the industry for a minimum of 1 years on supermarket or industrial contracts. NVQ level 2 would be desirable. Must hold valid F-Gas certificate and full driving licence. CO2 & Hydrocarbon is desirable. Experience on Pack Systems is desirable. Proof of right to work in the UK. Package: Salary from £33,000 - £40,000 42 hour week Paid door to door Bonus scheme Please press apply now to submit your application. Alternatively, if you would like further information on this position or other positions win a similar sector, please feel free to contact our field service team for a confidential conversation.Relevant skills: Refrigeration, Fridge, Engineer, Technician, Supermarkets, Super Markets, F-Gas, Hydrofluorocarbon, HFC, Carbon dioxide, CO2, Supermarket refrigeration, Trans-critical cycle