Ключевые слова: assembling, background, bricks, building, business, busy, caucasian, communication, confident, construction, contractor, crane, development, effort, employment, engineer, equipment, foremaster, form, gesture, guy, hard hat, helmet, industrial, industry, job, labor, machine, man, manual, metal, modern, occupation, one, person, placement, reinforcement, safety, skilled, steel, success, support, technology, together, tool, uniform, wear, white, worker, young,