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Two students work on sweating a joint during a class in AC installation and repair
Close-up Air conditioner technician hand check fill refrigerant liquid and maintenance condenser unit, Home care service
Male electrician worker checking, repair, maintenance operation electric system in factory. Male electrician using electrical meters working with operation electric system in workshop
Air conditioner technician services outdoor AC unit and the Gas Generator
Close-up of an electrician's hands working on a circuit breaker panel with various colored wires.
Construction repairman with a combination pliers on a stepladder
A professional solar panel crew installs a solar panel system on a house in Washington state, USA. Green environmentally friendly energy. The electrician checks the photovoltaic junction box to make sure everything is working correctly.
Electrician installing electric cable wires and fuse switch box. Multimeter in hands of electricians detail.Electrician repairing electrical control cabinets.
Engineers inspected the electrical switchboard and verified the operational voltage range. Technician setting electrical in inverter solar panel room
Experienced engineer inspecting the work of the solar panel system.
Male Electrician Working On Fusebox With Screwdriver
A maintenance engineer with a white hard hat is working in the control room of the building's cooling system and holding the blueprint to inspect the process.
plumbing contractor examines boiler
Industry engineer worker wearing safety uniform control operating computer controlled Lathe grinding machine working in industry factory is metal manufacturing industry concept.
Tradie lady
Professional African man engineer in safety uniform working on digital tablet and talking on walkie-talkie at factory server electric control panel room. Industrial technician worker maintenance checking power system at manufacturing plant room.
electrician working on solar panel installation
Young engineer officer starting diesel generator manually in engine room.
Male Electrician Working On Fusebox With Screwdriver
Serviceman
Technician, man and multimeter testing power for electricity, energy inspection and electrical system. Electrician, engineering and voltage test tool for machine, industrial mechanic and control room
African-American electrician with a hardhat and protective eyewear stripping a wire while wearing protective gloves.
Professional electrician repairs industrial equipment in production workshop. Diagnostics of power supply of starting mechanism of unit. Authentic workflow.
This image captures a young man working in a heating plant, carefully filing important documents
Marine engineer officer controlling vessel engines and propulsion in engine control room ECR. Ship maintenance
Mature male electricians working in an electrical system control cabinet
PVC Water Pipe Inspection By Construction Worker
heating engineer installing system
Electrician builder at work inspecting cabling connection of high voltage power electric line in industrial distribution fuseboard
Hand of the wind turbine engineer holding the ladder and protected with the lifeline and climbing fall. Security at work concept.
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