Ключевые слова: background, bench, cog, concern, cutter, engineering, enterprise, equipment, facilities, factory, gadget, gear, indoor, industrial, industry, iron, lathe, link, linkage, machine, machinery, manufactory, mechanical, mechanism, metal, move, nut, parts, perforator, plant, press, production, rust, screw, shaft, shop, steel, technique, thread, threader, tools, tubing, turn, work, workshop,