Ключевые слова: abstract, assembly, background, backgrounds, brass, bush, business, chrome, circle, connection, construction, copper, corrosion, craftsmen, design, fastening, fixed, fixing, get, gold, holes, industrial, industry, lathe, machine, machining, macro, mechanic, mechanical, metal, metallic, nut, nuts, objects, parts, pattern, plated, production, regular, round, save, screw, shiny, technical, texture, thread, tread, wallpaper, workshop, zinc,