Ключевые слова: action, activity, asphalt, blade, build, building, cement, circular, closeup, concrete, construction, cut, cutter, diamond, dirty, dust, dusty, electric, engineering, equipment, grinder, grinding, industrial, industry, job, joint, machine, machinery, maintenance, manual, material, outdoor, pavement, people, person, power, reconstruction, road, roadworks, safety, saw, sawing, site, slab, stone, street, tool, work, worker, workplace,