Ключевые слова: blacksmith, caucasian, circle, circular, cut, dangerous, disc, drill, engineering, equipment, facility, factory, flash, gear, grinder, grinding, heavy, industrial, industry, iron, labor, locksmith, machine, machinery, manual, manufacturing, metal, polishing, power, production, protection, repair, repairman, rotate, safety, saw, sharpening, skill, spark, speed, spin, stainless, steel, tool, welding, wheel, work, worker, workplace, workshop,