Ключевые слова: background, bolt, bonding, build, closeup, connection, connector, construction, different, element, engineering, equipment, fasten, fastener, fastening, fix, fixing, flat, grey, handmade, hands, hardware, holding, industrial, industry, items, kit, lay, male, man, many, mechanic, metal, people, person, pipe, plain, pliers, screwdriver, supplies, tap, thread, threaded, tighten, tools, top, view, work, workshop, wrench,