Ключевые слова: arc, car, engine, engineering, equipment, fabric, fabrication, factory, gas, gtaw, hot, industrial, industry, joint, light, man, manufacture, manufacturing, mechanical, metal, metalwork, pipe, piping, production, protection, race, repair, safety, seam, skilled, spark, stainlees, stainless, steel, strong, structure, systems, technology, texture, tungsten, vehicle, weld, welded, welder, welding, work,