Ключевые слова: aluminum, brass, close, component, copper, craftsmanship, engineering, equipment, fabrication, factory, hands, heavy, industrial, industry, iron, labor, lathe, machine, machinery, machining, manual, manufacturing, mechanical, metal, metalworking, operating, parts, precision, process, processing, producing, production, shaping, skill, skilled, steel, technology, tool, tools, turning, up, wheel, work, worker, workshop,