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Investigator in hazmat suit examines a glass with UV flashlight, suggesting crime scene analysis or contamination check in low light.
Environmental engineers inspect water quality,Bring water to the lab for testing,Check the mineral content in water and soil,Check for contaminants in water sources.
Industrial Scientists Wearing Disposable Protective Suits, Masks and Goggles at Production Plant. Specialist Using Tablet Computer, Analyzing Potential Work Hazards and Contamination at a Workplace
Rod-shaped bacteria ,detailed illustration

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