Ключевые слова: architecture, backgrounds, blue, bright, business, construction, design, domestic, electricity, engineer, engineering, equipment, factory, finance, fuel, gasoline, generation, indoors, industry, iron, large, lot, machinery, metal, modern, night, occupation, oil, pipe, pipeline, pipes, place, power, refinery, reflection, room, science, shiny, sport, steel, structure, technology, transportation, tube, windows, work, working, workshop,