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#radioactive symbol #radiation hazard #nuclear warning #fallout symbol #lethal exposure #invisible danger #energy hazard

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#radiation hazard #gas mask #protective gear #invisible danger

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#silent killer #odorless gas #invisible danger #CO safety #home protection #carbon monoxide threat #hidden hazard

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#invisible danger #radiation exposure #radiation sickness #acute radiation syndrome #dying #lethal dose

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#carbon monoxide #CO poisoning #odorless gas #invisible danger #asphyxiation #environmental hazard #gas leak