Ключевые слова: angle, arc, background, bicycle, bright, close, closeup, construction, detail, electric, equipment, fabrication, factory, gas, grinder, hand, heat, horizontal, hot, industrial, industry, iron, job, light, machine, male, man, manual, manufacture, manufacturing, mask, metal, occupation, one, person, power, professional, protection, safety, spark, steel, structure, technology, tool, unrecognizable, up, weld, welding, work, worker,