Ключевые слова: aperture, attachment, background, bit, blue, bore, building, carbide, carving, control, conveyor, cutting, detail, drill, drilling, enterprise, equipment, factory, gas, handyman, industrial, industry, instrument, iron, lathe, lots, machine, machinery, manufactory, manufacturing, mechanic, metal, metalwork, metalworking, mill, oil, perforate, plant, production, rack, revolve, rust, shank, spiral, steel, tools, turning, work, worker, workshop,