Ключевые слова: boots, building, business, card, clothing, compulsory, construction, danger, dangerous, dust, engineering, equipment, fabrication, face, gloves, goggles, harness, hazard, hazardous, health, helmet, horn, hygiene, id, industrial, industry, information, instruct, instructions, intersection, machine, machinery, mandatory, manufacture, manufacturing, mask, notice, office, pedestrian, permit, production, protection, protective, regulations, regulatory, risk, rules, safety, shield, sign, site, vest, visibility,