Ключевые слова: arc, connection, construction, craftsman, electrode, engineering, equipment, factory, fire, flash, gloves, heat, helmet, hot, industrial, industry, iron, job, labor, light, manual, manufacturing, mask, melting, metal, metalwork, pipe, pipeline, protection, protective, repair, skill, smoke, spark, steel, technology, tool, torch, tube, weld, welder, welding, work,