Ключевые слова: background, bolt, building, circle, collection, construction, design, detail, element, engineering, equipment, fix, flat, graphic, group, hardware, head, icon, illustration, industrial, industry, iron, isolated, mechanic, metal, metallic, nail, nut, object, part, pattern, repair, rivet, round, screw, set, shape, shiny, sign, silver, stainless, steel, symbol, thread, tool, white, work, workshop,