Ключевые слова: arc, assembly, build, busy, closeup, connect, construction, craftsman, engineer, equipment, erecting, fabrication, factory, fire, fix, flash, fumes, hall, heat, heavy, horizontal, industrial, industry, iron, job, join, labor, light, machine, manual, manufacture, manufacturing, metal, pipe, production, skill, smoke, spark, steel, steelwork, structure, technical, technology, tool, torch, weld, welding, work, work tool, workshop,