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first supersonic flight 1947
A large Russian ship of the Black Sea Fleet in the port of Sevastopol against the background of the gray sky. Russian ships on peaceful combat duty. Republic of Crimea, October 4, 2010
stationary engeneers at work
The man is installing the heater system in the house
A yellow pump-like system with a little sun glare from the left in the background of grass and trees
Mechanic doing car diagnostic in auto repair shop
Weighing In The Workplace
Electrical engineer tests the operation of the electric control cabinet on a regular basis for maintenance.
Business man checking the time on his watch with clocks hanging on the wall
Asian man ecologist holds magnifying glass to inspect water in transparent glass at the lake. Concept, explore, analysis water quality and creature from natural source. Ecology field research.
Detail of a hydraulic valve and hoses from a heavy construction machine.
Photography,Horizontal, Caucasian ethnicity, modern,motor oil,Occupational Safety And Health,development,biofuel,businessman,heavy industry,tablet,gas,fossil fuel,mature man,inspector
pressure pump for running water in a building at the factory
Maintenance engineer is inspecting system in boiler room
The control room computer room equipment
English Electric Canberra, first generation British cold war twin jet engine military bomber and long-range, photo-reconnaissance aircraft in flight over Poole bay, English Channel in blue clear sky
electrician builder engineer inspector checking data of equipment in fuse box
Steep cliffs lead to the sea on the coast in Torbay, Devon. Viewed from the South West Coast Path.
electrician repair electric of elevator them check safety line.
Male worker holding digital tablet in hand talking on walkie-talkie in factory
Gas metre of high accuracy for the commercial account
Engineer working on computer to maintain heating and cooling sistems
La Coruña, Spain, June 25, 2022 : Close-up of the dial of a food market weighing scale
old fuel tanks
russian submarine with torpedo on shore
Black sea coast and lighthouse of bosphorus Beykoz Istanbul turkey
Nitrogen turbocharger. The compressor compresses nitrogen gas for industrial applications.
Smiling friendly female worker in working suit with protective helmet on head standing next to pipes in heating plant and talking over smart phone with her boss.
Old engine
Free Images: "bestof:Navy 100112-N-4962F-003 Utilitiesman 2nd Class Tony Tse tests Utilitiesman 3rd Class Michel Boyle on air conditioner parts.jpg en PORT HUENEME Calif Jan 12 2010"
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