Ключевые слова: adult, air, background, bad, breathing, carpenter, chemical, concept, construction, contractor, coveralls, danger, design, disaster, dust, equipment, face, filter, gas, half, hardhat, health, hygiene, industrial, industry, isolated, job, man, mask, mechanic, military, person, pollution, protection, protective, radiation, respirator, safe, safety, security, service, soldier, suit, toxic, uniform, wearing, white, work, worker, young,