Ключевые слова: architecture, builder, building, business, caucasian, cement, cement mixer, clothing, construction, constructor, design, dirty, dust, equipment, gearm oil, high, home, horizontal, house, industry, laborers cement mixer, machinery, men, mixer, mixing, mixing machine, occupation, one, outdoors, people, person, plan, plant, professional, safety, scaffolding, shovel, site, small, spade, speed, working,