Ключевые слова: abrasive, business, circle, circular, closeup, construction, cutting, danger, disc, disk, electric, equipment, face, factory, fire, grinder, grinding, heat, industrial, industry, iron, job, lathe, machine, making, manufacturing, mechanic, metal, object, power, repairing, round, safety, sparks, speed, steel, technology, tool, turning, wheel, work, working, workshop,