Ключевые слова: arc, assembly, building, built, connect, construction, craftsman, danger, equipment, fabrication, factory, fire, flash, gas, hand, heat, helmet, hot, industrial, industry, iron, job, join, labor, laborer, light, man, manufacture, manufacturing, mask, metal, protection, repair, safety, skill, skilled, smoke, spark, steel, structure, technical, technology, wear, weld, welded, welder, welding, work, worker, workplace,