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Environmental Engineers Inspect Water Quality, pH Test and Take Water sample notes in The Field Near Farmland, Fish Pond, Natural Water Sources that may be Contaminated by Suspicious Pollution Sites.
industry metallurgical plant dawn smoke smog emissions bad ecology aerial photography
Cleaning home table sanitizing kitchen table surface with disinfectant spray bottle washing surfaces with towel and gloves. COVID-19 prevention sanitizing inside.
An ecologist in a green jacket sitting aside water try to scoop the water in a glass tube to examination the quality of the water.

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