Ключевые слова: brown, building, closeup, coiled, conduct, conductive, conductivity, construction, copper, coppery, cut, detail, ecofriendly, electrical, energy, engineering, environment, frayed, heap, industrial, industry, infrastructure, macro, manufacturing, metal, metallic, orange, oxidation, patina, power, recycle, recycling, resource, reuse, reused, shiny, strands, sustainability, sustainable, tangled, technology, texture, wire,