Ключевые слова: breathing, emergency, emergency equipment, emergency gear, emergency response, emergency situation, equipment, fire department, fire hazard, fire rescue, fire safety, firefighter, firefighting, fireman, first responder, gas exposure, gas mask, hard hat, hazardous, headgear, preparedness, protective clothing, protective face mask, protective gear, protective headwear, putting, respiratory, responding, safety, safety helmet, safety precautions, safety protocols, selfcontained, unrecognizable,