Ключевые слова: arc, assembly, bicycle, bike, construction, craftsman, dust, equipment, fabrication, factory, fire, flame, gloves, heat, heavy, hot, industrial, industry, iron, ironwork, ironworks, job, join, labor, light, man, manufacture, manufacturing, mask, metal, metalwork, protection, protective, repair, rod, safety, skill, smoke, spark, steel, strong, structure, technical, tool, weld, welder, welding, work, worker, workman,