Ключевые слова: arc, assembly, construction, craftsman, engineering, equipment, erecting, fabricate, factory, fire, fix, flash, gas, heat, hot, improvisation, industrial, iron, job, join, labor, light, making, man, manual, manufacturing, mask, metal, metalwork, occupation, prefabricate, production, protection, repair, safety, skill, smoke, spark, steel, structure, technical, technology, tool, trained, welder, welding, work, worker, workplace, workshop,