Ключевые слова: architect, background, bright, build, builder, cap, color, construction, contractor, danger, employee, engineer, equipment, factory, hard, hat, head, headgear, helmet, industrial, industry, isolated, job, life, maintenance, male, manufacturing, nobody, object, plastic, professional, protect, protection, protective, safe, safety, simple, site, solid, still, tool, wear, white, work, worker,