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An engineer controlling the quality of water , aerated activated sludge tank at a waste water treatment plant .Copy space
Environment engineers sample and test toxic wastewater from factories, environment control in the industrial estate
Scientists biologists or researchers in protective suits taking water samples from wastewater from industries. Experts analyze the water in a contaminated environment.
Two specialists taking water samples at a sewage treatment plant. Water management concept.
A Scientist analyze the water of a river.
Female engineer using laptop on waste water treatment plant.
Collect samples of wastewater from industrial canals in test tubes to be examined in the laboratory
Examination of Polluted Water from river
Environmental Engineers Team Take Water Samples at Natural Water Sources. Water that smells bad Near Farmland, Fish Ponds May Be Contaminated by Toxic Suspicious Pollution Sites.
Biologists and wastewater treatment experts Conduct water quality simulation experiments. at the wastewater treatment plant
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Water analysis operator wearing PPE sample and audit water from the water treatment plant, industrial and environment concept
An engineer controlling the quality of water , aerated activated sludge tank at a waste water treatment plant
Inspectors are analyzing a water sample at the sewage cleaning site.
Scientist wearing safety uniform and glove under working water analysis and water quality by get waste water to check case in laboratory is environment pollution problem concept.
A female engineer works in a chemical plant using a laptop computer
Shot of an unrecognizable ecologist standing where sewage waste water meets the river and taking samples to determine level of contamination and pollution.
scientist and safety engineer wearing chemical PPE protection work at wastewater treatment plant with tablets and survey patrol on the wastewater tanks
Scientists team collect water samples for analysis and research on water quality, environment with saving earth.
Environmental inspector in white safety suit examining polluted river water at industrial site
Male Biologist or natural science check drain water from factory ,Water environment pollution problem concept
Looking at a water treatment plant.
Vertical high angle view of senior male ecologist wearing safety vest with gloves taking river water sample
Female red haired claim agent in glasses with digital tablet inspecting pipelines with gauge valves outdoors.
An engineer controlling the quality of water , aerated activated sludge tank at a waste water treatment plant .Copy space
Biologists and wastewater treatment experts Conduct water quality simulation experiments. at the wastewater treatment plant
The man bent over the water well and records the readings of the water meter. Checking and fixing the counter.
Service engineer checking on waste water treatment plant.
Worker inspecting valve for filtering water. Focus on Valve. Copy space available.
An Asian female engineer works at a coal factory
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