Ключевые слова: assorted, bolt, bolts, chrome, close, closeup, cog, cogs, cogwheel, component, construction, engineering, equipment, fastener, fasteners, gear, gearing, gears, indoors, industrial, industry, interlocked, interlocking, loose, machinery, macro, many, mechanics, mechanism, metal, nobody, nut, nuts, objects, parts, photo, photograph, precision, screws, spanners, spare parts, steel, supplies, vertical, wrenches,