Ключевые слова: arc, assembly, connection, construction, control of welds, cooking, danger, electrode, equipment, fire, flash, heat, helmet, hot, industry, labor, man, manual welding, melting, metal, ordering, pipeline, safety, semiautomatic welding, shell, smoke, spark, specialist, technological process, technology, training, weldability, welder, welding, welding machine, welding wire, work, worker,