Ключевые слова: background, big, bolts, closeup, concrete, connection, construction, corrosion, detail, dirty, electricity, element, equipment, flange, galvanize, galvanized, gusset, high, industry, instrument, iron, light, mast, material, metal, monopole, nuts, object, old, plate, pole, power, project, rough, rust, solid, spiral, steel, structure, surface, technology, texture, thread, tool, transmission, utility, vintage, weathered, worn,