Ключевые слова: alloy, aluminum, background, close, copper, craft, craftsmanship, cutting, detail, drilling, engineering, equipment, fabrication, factory, grinding, heavy, industrial, industry, iron, labor, lathe, machine, machinery, manufacturing, mechanic, mechanical, metal, metalworking, milling, piece, plant, precision, process, processing, production, shaping, shavings, skill, steel, technician, technology, tool, turning, up, worker, workshop,