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Person, crime and biohazard with tape, investigation and gas mask for hazard, fumes or danger by wall. Police, ppe and barrier for quarantine, safety and warming sign for chemical terrorism attack
Empty plastic bag with biohazard symbol. Specimen bag. Gray background.
A hazardouse toxic placard symbol on the chemical containment drum. Safety sign for industrial product, close-up and selective focus.
masked cameraman is filming a television show in the studio. TV
Environmental field team in protective gear analyzes water samples on a polluted beach. One holds a laptop while the other handles vials for chemical testing of coastal pollution.

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