Ключевые слова: builder, business, cap, color, colorful, construction, contractor, danger, dirty, engineer, engineering, equipment, floor, hanging, hard, hardhat, hat, head, headgear, helmet, industrial, industry, job, labor, object, old, plastic, profession, professional, protect, protection, protective, retro, safe, safety, uniform, vintage, wear, white, work, worker, workplace, worn, yellow,