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man in chemical suit inside  cargo tank on deck of chemical tanker for cleaning operation
Senior maintenance engineer wearing a reflective vest and using a walkie-talkie while working with a blueprint drawing at a large water tank in a construction site of the factory.
Industrial engineer wearing green safety jacket holding walkie talkie working about HVAC system
Mature inspector in safety vest, with smartphone and flashlight, examining water pressure tank damage on the flooded floor
Inspection camera being lowered into sewer manhole for 3d digital examination
An Indian man in a blue hi-vis and helmet checking pipe in an oilfield in Kern County, California at twilight in Spring.
Beirut Lebanon on November 11, 2020: construction staffs were doing installation of pipe and water tanks for water supply connection to real estate area
Aerial View of Two Environmental engineers work at wastewater treatment plants, Water management concept.
Worker inspecting valve for filtering water. Focus on Valve. Copy space available.
Testing water with a water parameter meter, such as pH, conductivity, Ta, redox and oxygen.
Senior System engineer handle check sheet walk inspection piping system
An engineer accepts a tanker vehicle with lubricants and controls the transfer into 1000-liter cans. He is wearing jeans, a blue blouse, and a reflective vest. He wears a white helmet and prescription glasses. He has a long white beard. He describes the cans on his tablet. He stands with his back to the camera.
                               chemical refinery
Architecture, construction building with an architect,  railway engineer and designer working as a team and plan to works ,Working at  oil tank at railway station
Renewable technologies for wind infrastructure ti produce renewable energy in nature. Engineer conducting an inspection
Moree, Australia - Nov 16, 2016: Water tanks near a dam on a grain farm in Moree, in northern New South Wales, Australia.Moree is a major agricultural area in this region.
An engineer controlling the quality of water , aerated activated sludge tank at a waste water treatment plant
A male worker is measuring the specifications of the pipeline equipment in the factory
male and female environmentalist engineers work on concrete for wastewater treatment.Recycling and Ecology concept. Waste processing and water treatment plant
Engineer with tablet computer on a background of Hydrogen factory
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.
High quality stock photos of a small business owner, cattle rancher dealing with drought issues on his largely creek irrigated ranch at the base of the Sierra Nevada mountains.
Head of quality control officer examines inside the food and beverage manufacturing factory. Female food scientist is checking a fermentation tank in the beverage factory.
Portrait of a power plant operator wearing coveralls, had hat, high vis vest, and safety glasses working at night.
An engineer is meticulously checking the chilled water fan coil unit of an air conditioner at an industrial facility, ensuring proper operation.
construction worker or factory worker at site.
Floating roof tanks, oil storage, renewable energy.
A couple of Safety engineers work on a cement wastewater treatment pond to check the quality of the wastewater on a daily basis.
Water tank truck spraying water on a new road construction site in preparation for paving.
Engineer with digital tablet on a background of gas tanks.
Free Images: "bestof:Robotic inspection of water tanks DVIDS337672.jpg en Field Tech Noah Peyer of Tank Industry Consultants sends up a remote operated vehicle to his father Field"
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