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Worker cleans the sewer hatch.A worker cleans a sewer hatch. A man in the hatch.
Safety engineers inspect the piping system and operation of fire hydrants in the factory.  Safety Technician inspects fire hydrant system under building construction
Close-up of a man's hand with fire equipment in a fire truck. Man turns control levers
Mechanical engineer hand applying grease, metal oil or lubricant to prevent damage, break or wear and tear of heavy machinery. Closeup of male workshop mechanic fixing factory manufacturing equipment
Professional engineer in safety uniform, goggles and protective hard hat adjusts vacuum pump station or air compressor using tablet computer. Male employee works on modern plant or industrial factory.
Ethnic factory worker standing by machine in factory using monitor. Male industrial worker at computer screen in industrial building.
Cleaning brush in an old cast iron heater, removes black soot and combustion residues. To ensure economical operation and energy-conscious heating.
An Indigenous Navajo firefighter at a fire station.
Shutting off the water supply from the fire truck nozzle. A person shuts off the water by closing the faucet by pulling the handle.
Biologists and wastewater treatment experts Conduct water quality simulation experiments. at the wastewater treatment plant
The worker checks the fuel gauge.
The Chief engineer checks the control system for security functions at the factory,
Refueling an airplane
Aircraft Technician inspecting and working in the main electronics bay of a 757 commercial airplane.
heating oil or fuel oil, petroleum or oil for heating
Old 30 year Artesian well drill for underground waterin asian house
Detail shot of a young man pushing button in newspaper factory
In late April 2023, we captured the enchanting organic tea-making process of a 3-person family in Pinglin, Taipei. From tending to the organic tea plantation to meticulous craftsmanship, we witnessed their dedication, harmony, and love for preserving tradition.
Safety engineers inspect the piping system and operation of fire hydrants in the factory.  Safety Technician inspects fire hydrant system under building construction
The black male aircraft mechanics use hand tools to work on inspection and do maintenance of an airplane, Aircraft technician examining a plane in the hangar
Lokachi, Ukraine - August 3, 2005: A worker controls operation of a block of Lokachi gas field in western ukrainian town Lokachi of Volyn region. Preparing for exploitation of Lokachinsk gas field began in 1997.
Man is checking silica gel
Electrical engineer inspection control panel and commissioning during pressure steam drum shutdown
Carpenter adjusting edge banding machine while working late night shift
Young male helicopter maintenance technician repairing jet engine, close view. African American aircraft mechanic inspecting and repairing helicopter motor, close up
Chemists analyzing samples with oceanographic bottles on ship
A water technician exams a glass of water after testing one of the filters at a public water plant.
Specialist Rescue fire fighter wearing fire protector suit and PPE
A Worker industry wearing safety uniform ,black gloves and gas mask under checking chemical tank in industry factory work
The smart mechanical engineer inspects the HVAC system stands for heating, ventilation, and air conditioning technology in the basement of the factory
Free Images: "bestof:Navy 070321-N-9758L-061 Machinist's Mate Fireman Zahir N. Khan puts fuel samples in the centrifuge testing for bottom sediments and water while Essex takes on"
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