Ключевые слова: accident, adult, air, architecture, background, breathing, builder, building, care, careful, caucasian, caution, closeup, construction, contractor, danger, dust, engineering, equipment, face, gear, health, industrial, industry, job, male, man, mask, modern, new, person, personal, pollution, professional, protect, protection, protective, regulation, repair, respirator, safe, safety, save, tool, uniform, wear, work, worker, yellow, young,