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Efforts to contain wastewater contamination in an urban stream using floating barriers.
Close up of milky brown contaminated hydraulic oil draining from a metal quick release coupler. Indicates water contamination or emulsion in a heavy machinery fluid system.
Aerial view of river contaminated with black hazardous liquid
Coffee stain on the fabric. The concept of contamination and stain removal from clothing
Fresh Spinach Leaves with Dirt Contamination in Plastic Packaging Close Up

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