Ключевые слова: background, blade, circle, circular, construction, disc, disk, electric, electrical, engineering, equipment, fabrication, factory, flash, gas, grinder, grinding, industrial, industry, iron, light, man, manual, manufacture, manufacturing, mechanic, metal, metalwork, orange, overalls, part, power, production, protection, repairing, rotate, round, safety, saw, skilled, spark, speed, steel, technology, tool, welder, welding, work, worker, workshop,