Ключевые слова: activity, asphalt, blade, builder, building, cement, circular, concrete, construction, construction site, cut, cutter, cutting, diamond, diamond blade, dirty, disc, disk, dust, dusty, electric, electrical, engineering, equipment, granite, hand, industrial, industry, instrument, job, machine, machinery, maintenance, material, pavement, power, professional, reconstruction, repair, rotation, saw, sawing, sharp, slab, steel, surface, tool, wheel, work, worker,