Ключевые слова: blade, circle, circular, construction, cut, diamond, disc, disk, electric, engineering, equipment, factory, flash, grind, grinder, hand, heat, industrial, industry, iron, light, machine, manual, manufacture, manufacturing, mechanic, metal, part, power, production, rotate, round, safety, saw, spark, sparkle, speed, spin, steel, technology, tool, turning, wheel, work, worker, workshop,