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Environmental Engineers Inspect Water Quality, pH Test and Collect water samples in The Field Near Farmland, Fish Ponds, Natural Water Sources that may be Contaminated by Suspicious Pollution Sites.
View of cracked soil due to dryness in the dry season
Scientist check chemical food residues in laboratory. Control experts inspect quality of fruits, vegetables. lab, hazards, ROHs, find prohibited substances, contaminate, Microscope, Microbiologist
Oil-contaminated soil with deposits of salt and ozokerite near old oil fields. Natural texture background.
Environmental pollution. Air contaminated with fumes in city. Cars surrounded by exhaust on road

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