Ключевые слова: abundance, assembly, bolt, brass, building, close up, collection, component, connection, construction, detail, durable, engineering, equipment, factory, fastener, fastening, fixing, group, hardware, heap, industrial, industry, machine screw, maintenance, manufacturing, material, mechanical, metal, metallic, metalwork, object, part, pile, production, quantity, repair, robust, screw, slotted head, steel, strength, strong, supply, texture, thread, tool, workshop,