person with gas mask calling halt |
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navigate by keyword : advise advising agent air alarm alert block caution command concern confinement contaminated control dangerous engineer exposure gas gear gesture halt inform instruction interdiction knowledge mask notify order panic person preserve profession prohibited protection protective request safety scientist security stop suit suspicion technician tent toxicity unsafe vitiated warning woman worker worry |
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Person wearing a protective suit and gas mask calling a halt in front of a confinement tent |
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