Ключевые слова: blade, circle, circular, construction, craftsman, cut, cutter, cutting, danger, disc, disk, electric, electrical, equipment, factory, fire, flame, flash, flying, grind, grinder, heat, industrial, industry, iron, light, machine, man, manufacture, manufacturing, mechanic, metal, power, protection, round, saw, sawing, spark, sparkle, speed, steel, structure, technical, technology, tool, welder, welding, wheel, work, workshop,