Ключевые слова: action, activity, asphalt, blade, block, building, cement, circular, closeup, concrete, construction, craft, cut, cutter, cutting, diamond, dirty, disc, dust, dusty, electric, engineering, equipment, grinder, grinding, horizontal, industrial, industry, instrument, machine, maintenance, man, manual, material, motion, outdoors, people, person, power, reconstruction, road, roadworks, saw, sawing, sidewalk, site, tool, work, worker, workplace,