Ключевые слова: abrasive, automation, blade, circle, circular, corundum, cut, detail, device, disc, energy, engineer, equipment, factory, fire, flash, glazing, glitter, grinder, grinding, industrial, industry, machine, machine tool, manual, manually, mechanic, mechanical engineering, metal, movement, operation, plant, polishing, precision, preparation, processing, production, protection, rotate, rotation, saw, sharpening, spark, speed, steel, technology, tool, wheel, work, workshop,