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Two smiling men, in uniform and working on engine repair in factory wearing safety glasses. Senior expert mechanic coaching a young guy in a manufacturing plant. Professional mechanic in development
Locomotive engineering technicians maintain emission control on train railways, identifying oil and fuel leaks and inspecting, testing, and repairing malfunctioning engines for optimal efficiency.
System engineer and Technician check fire Extinguishing System Piping and Pump
Three Male Oilfield Workers Talk and Prepare to Open/Close Valves to Change the Pressure of Mud Flow in a Pump Room at an Oil and Gas Drilling Pad Site
Two dedicated train engineers, in their safety helmets and uniforms, meticulously inspect electric train parts and ensure the smooth maintenance of the railway.
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
male engineer workers maintenance automatic robotic arm machine in a factory. worker checking and repairing automatic robot hand machine. technician worker check for repair factory machine.
Two unrecognizable power plant workers stand in front of the control display.
Blue collar workers are working at train garage. Blue collar worker and public transportation.
Sakhalin, Russia - February 14, 2009: Workers connect a new branch of the oil pipeline.
Serious and professional male engineers working together to fix broken factory plant equipment. Mechanical engineering service industry experts fixing, collaborating or inspecting a structure.
The Chief engineer checks the control system for security functions at the factory,
Team of engineer or technician maintenance, checking, or test system springer prevent fire. Group of African American contractor checking fire sprinkler system, pipe assembly, red fire pipe
Two dedicated train engineers, in their safety helmets and uniforms, meticulously inspect electric train parts and ensure the smooth maintenance of the railway.
Engine room on a cargo boat ship
Robot engineer using tool fix robot arm in factory
A man in his 70s wearing a suit and a hard hat and a younger technician wearing coveralls and safety gear working in the control room of a natural gas fired power plant.
Production overhaul: engineers using a digital device to overhaul the industrial machine
Engineer work at basement. Engineering, Utility system and construction concept.
Funny picture of crazy chief mechanic yelling on engineers with crazy experssions on faces in workshop. Teamwork and leadership concept.
Male and Female engineer working in fire extinguishing room , extinguishing piping system
Two male engineers happy, talking and smiling while working together in a factory plant. A candid of a team of professional male colleagues in mechanical engineering industry fixing broken equipment
Advanced Fire Fighter Practice or Training, Firefighter battling flame
Washington Dc: Happy firefighters firemen smiling in downtown by trucks at fire station
Teamwork of engineers man and woman inspecting the Check quality of compact desktop robotic armEngineer work at robotic arm factory. Technology and engineering concept.
Firefighter man giving instructions to a rookie colleague
Engineers and staff communicate on site in chemical plant
two engineers seen through a large pipeline shaft, metal industry
female boiler room operative
Engineer train Inspect the train's diesel engine, railway track in depot of train
Free Images: "bestof:Chief Engineer George Hairston (left) and 3rd Engineer Timothy Arner, both civil service mariners, inspect a fire pump aboard USNS Spearhead (T-EPF 1) Feb. 12,"
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John Traill and Henry Archdale Tomkinson of the British Polo Team (New York, June 4, 1914).jpg
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