Ключевые слова: background, black, blue, carving, chrome, concept, connection, construction, contrast, cylinder, equipment, glare, horns, image, industry, instrument, iron, key, light, mechanic, metal, metallic, mirror, nut, plane, reflection, responsibility, ring, rotation, screw, service, shine, shiny, size, steel, technology, tool, twist, vanadium, white, work,