Ключевые слова: 3d, background, bolt, brown, chrome, circle, conduit, construction, cross, design, detail, dirty, engineering, equipment, frame, gas, hardware, head, illustration, industrial, industry, iron, isolated, line, macro, mechanic, metal, metallic, nut, object, oil, old, petroleum, pipe, pipeline, screw, service, set, shadow, shape, silver, steel, support, texture, tool, tube, vintage, water, wheel, white,