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Two students work on sweating a joint during a class in AC installation and repair
African american serviceman cleaning air conditioner internal components of dust while coworker assembles professional manifold gauges to check freon levels in hvac system
Divers at work on the underwater pipeline
Hot and cold water pipes connection. Craftsman in yellow hardhat and gloves working with pliers. Building construction process
Environmental Engineers examining the quality of wastewater at the storage Treatment Plant with the mobile laboratory
Two workers in hardhats at plant checking parameters of pressure
Robotic engineer is working and checking by use digital tablet to monitoring status of robot operating system in parts of voltage electric controller.
São Paulo, SP, Brazil, JUN 26, 2022, fiber optic technicians carry out repairs to the underground network on Paulista avenue
Young repairman fixing air conditioner unit, Asian technician man installing an air conditioning in a client house, Maintenance and repairing concepts
Engineer work at basement. Engineering, Utility system and construction concept.
FA18 SuperHornet military jet on board the USS Carl Vinson undergoes maintenance
Male craftsman carrying materials at a construction site
itacare, bahia / brazil - august 26, 2011: technicians from the electric power utility in Bahia are seen making repairs to residential energy meters.\
female technician Check the solar inverter panels in the electrical room. Service engineer installs solar cells on factory roofs Clean energy and renewable energy concepts
Seattle, United States - 12 13 2020: Close up view on crew member with orange jacket and white helmet secured with harness to metal railing checking aft hook on life boat fixed in container vessel.
Safety engineers inspect the piping system and operation of fire hydrants in the factory. Safety Technician inspects fire hydrant system under building construction
Male firefighter demonstrating mechanism of fire engine and giving advice to trainee during work on station
The operators of a food truck preparing food.
air conditioning filter change
Indian electrician or repairman tired working while repairing or fixing connections at workplace - Concept of hard working, overworked and maintenance service
Electrician enjoys working in equipped workshop with important details for making charger. Technician repairs plug for charging EV on stations
Santa Fe, USA - November 11, 2010: Two US sailors in white hats at a Veteran's Day memorial service in Santa Fe, NM, backdropped by a deep blue sky
Industry expert monitoring machinery
electrician working on solar panel installation
itabuna, bahia, brazil - may 9, 2023: Construction of full-time public school in the city of Itabuna in southern Bahia.
Engineer work at robotic arm factory. Technology and engineering concept.
Detail shot of a young man pushing button in newspaper factory
Engineers are checking the distribution box
Male Plumber Working On Central Heating Boiler
Safety engineers inspect the piping system and operation of fire hydrants in the factory. Safety Technician inspects fire hydrant system under building construction
Free Images: "bestof:Navy 090625-F-7923S-074 Utilitiesman 2nd Class Carlos Monserrat helps Cabo Santos Jouel Portillo install new pipes for a sink during the renovation of a"
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