Ключевые слова: architect, background, build, builder, cap, chemistry, concept, construction, contractor, energy, engineer, engineering, equipment, fence, gear, hard, hardhat, hat, head, headgear, helmet, high, industrial, industry, inspection, isolated, job, object, old, petrochemical, plastic, protect, protection, protective, safe, safety, table, view, wear, welding, white, work, worker, workman, yellow,