Ключевые слова: alert, area, blue, boots, careful, caution, clothing, construction, danger, earplugs, engineer, equipment, foot, glove, goggles, hazard, hazardous, head, health, helmet, industrial, industry, line, loud, mandatory, mask, no, personal, plant, ppe, prohibition, protect, protection, protective, risk, safe, safety, security, sign, signage, site, smoking, symbol, warning, wear, white, work, worker, workplace, worn,