Ключевые слова: accessory, background, bolt, bolts, chrome, connection, construction, engineer, engineering, equipment, factory, fastener, fasteners, fastening, galvanized, gear, gray, hardware, head, hex, industrial, industry, isolated, macro, manufacturing, mechanic, metal, metallic, metric, nail, nut, nuts, object, part, repair, riveter, screw, shiny, silver, spiral, stainless, steele, the hexagon, the irony, threaded, tool, washer, worker, workshops, zinc,