Ключевые слова: arc, assembly, construction, craftsman, erecting, fabricate, factory, fire, fix, flash, gloves, improvisation, industrial, industry, join, labor, laborer, light, making, man, manufacture, mask, metal, prefabricate, production, protection, safety, shipyard, skill, skilled, smoke, spark, steel, structure, technical, trained, welded, welder, welding, work, worker, workplace,