Ключевые слова: architecture, background, brick, builder, building, business, cement, concrete, concrete lintels, concrete walls, construction, diamond, drill, drilling, drills, electric, engineer, equipment, factory, hammer, hand, handyman, helmet, hole, home, house, industrial, industry, jackhammer, labor, machine, man, marking, people, perforator, pneumatic, power, professional, protective clothing, reconstruction, repair, safety, safety hat, screwdriver, site, teamwork, tool, tools, wall, worker,