Ключевые слова: abstract, background, closeup, design, detail, durable, electric, energy, engine, flat, fluted, grid, hard, heating, horizontal, industrial, industry, iron, line, lines, macro, metal, mock up, modern, pattern, pigtail, pipe, power, pressure, radiator, reflection, reinforced, resistance, rough, serpentine, shallow, silver, steel, strength, strong, structure, surface, technology, template, texture, transformation, tube, wavy, wrapped, zigzag,