Ключевые слова: background, blade, bulgarian, circle, circular, closeup, construction, constructor, cut, cutting, disk, electric, engineering, equipment, fire, flash, grind, grinder, hand, industrial, industry, iron, machine, machinery, man, manual, manufacturing, mechanic, metal, metalwork, occupation, part, power, production, repairing, repairman, round, saw, sawing, spark, speed, steel, technical, technology, tool, wheel, work, worker, workshop,