Ключевые слова: architecture, background, build, builder, business, cap, city, concrete, construction, damage, danger, employment, engineer, engineering, equipment, equipments, factory, floor, hard, hard hat, hardhat, hat, head, headgear, headwear, helmet, industrial, industry, inspection, job, life, maintenance, manufacturing, object, plastic, professional, project, protect, protection, protective, safe, safety, security, site, tool, wear, white, work, worker, workman,