asian worker wear wears a respirator in a smokey, toxic atmosphere. image show the importance of protection readiness and safety

adult air apparatus asian atmosphere black breathing construction contamination danger disease dust environment environmental equipment exterminator factory filter filters fire gas hazardous health helmet hood image importance industrial male man mask piece poisonous pollution protection protective purify radiation readiness rescue respirator respiratory safety show smoke smokey spread suit toxic unhealthy vapor ventilation wear wearing wears work worker