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Resistance test of temperature sensors in the cooling supply section of the ventilation unit.
A female engineer works at the construction site of a chemical plant under construction
Professional industrial worker checking pressure of natural gas pipeline inside power plant or refinery.
Young engineer working on electrical equipment using safety procedures
Aircraft mechanic fixing jet engine and using multimeter, mid shot. Male engineer examining helicopter, side view
male caucasian operator operating industrial printing press
Engineers inspected the electrical switchboard and verified the operational voltage range. Technician setting electrical in inverter solar panel room
Professional male mechanic working in a tool shop
Young offshore professional engineer checking parameters of high voltage switch board. Offshore engineer making high voltage electrical equipment checks.
control room engineers
Marine engineer officer in engine control room ECR. Seamen's work. He starts or stops main engine of ship
A male engineer tested equipment in a chemical plant
Fire Fighters
Truck mechanic is checking safety using digital tablet.
PVC Water Pipe Inspection By Construction Worker
Engineer is working in the control room. At night time. Engineering concept.
Industrial worker working on equipment.
Portrait of factory worker holding thumbs up in petrochemical industrial refinery.
Male worker inspection visual pipeline oil and gas
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Portrait of team of experts checked the integrity of the system in the control room.
Boiler Room - Employee Take Note
Aircraft engineers in reflective vests examining helicopter engine, using multimeter, close view. Air vehicle mechanics in protective workwear working in hangar, side view
The techs are doing a security check
Male Worker Inspecting Water Valve For Leaks In Basement
A female engineer works in a chemical plant using a laptop computer
A male safety officer is checking the safety of the equipment
Factory worker holding checklist and standing by industrial machine.
Two workers fixing pipes with manometer on high pressure system at factory
Checking small airplane
Free Images: "bestof:Navy 110920-N-YM590-344 Gas Turbine Systems Technician (Electrical) Fireman Apprentice William Anderson jumps from the fantail of USS Anzio (CG.jpg en ARABIAN"
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