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Aviation mechanic repairing jet, inside of engine view. Handsome African American engineer examining aircraft, close up
One man, professional key cutter, making car keys copies on modern machine.
Offshore oil rig worker prepare tool and equipment for perforation oil and gas well at wellhead platform. Making up a drill pipe connection. A view for drill pipe connection from between the stands
A railway engineer with clipboard and walkie-talkie directing operations inside a train maintenance facility.
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Engineer train Inspect the train's diesel engine, railway track in depot of train
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Engineer or technician work checking Fire suppression system and fire equipment. Engineer check red generator pump for water sprinkler piping and fire alarm control system
Aircraft mechanic fixing jet engine and using multimeter, mid shot. Male engineer examining helicopter, side view
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Free Images: "bestof:Navy 090904-N-8119A-004 Machinist's Mate Fireman Apprentice Kyle Ketron passes through one of the three watertight doors aboard the ballistic-missile submarine"
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Physical Therapists at work.jpg
US_Navy_020218-N-2722F-013_USS_Stennis_-_Hangar_watch.jpg
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