Ключевые слова: abrasive, accuracy, automate, background, circle, construct, cut, detail, diamond, disc, engineer, engineering, equipment, fabric, factory, foundry, grinder, grinding, grindstone, head, heavy, industrial, industry, iron, machine, machinery, machining, manufacture, manufacturing, metal, operation, plant, power, precision, process, production, rotation, saw, sawing, sharpening stone, spark, speed, stainless, steel, surface, technology, tool, wheel, work, workshop,