Ключевые слова: arc, blue, bright, construction, craftsman, craftsmanship, engineer, engineering, equipment, fabrication, factory, fire, flash, gas, goggles, helmet, hot, industrial, industry, iron, labor, laborer, light, man, manufacture, manufacturing, mask, metal, metalwork, occupation, professional, protection, repair, safety, skill, smoke, spark, steel, technical, technology, tig, tool, torch, weld, welder, welding, work, worker, working, workshop,