Ключевые слова: background, brass, business, cable, circle, closeup, color, connection, construction, copper, energy, engineering, equipment, factory, geology, industrial, industry, iron, job, landscape, large, machine, macro, manufacturing, metal, metallic, mine, pipeline, plant, power, production, quarry, repair, road, rock, shiny, site, spool, steel, supply, surface, technology, tool, truck, water, white, wire, work, worker, workshop,