Ключевые слова: adjustable, assistance, bolt, capscrew, chrome, clincher, concept, connection, construction, dag, engineering, equipment, fastener, gudgeon, hole, illustration, industrial, industry, isolated, maintenance, mechanic, metal, metallic, nut, object, part, pin, reflect, reflection, repair, screw, service, shiny, silver, single, spanner, spare, stainless, steel, supporting, technology, threaded, tighten, tool, white, work, wrench,