Ключевые слова: area, board, boarded, brick, brown, building, chemical, chemicals, chemistry, chimney, clear, decay, depot, door, electricity, energy, factory, fence, frankfurt, funnel, germany, hoechst, house, industrial, industrie, industry, lamp, light, main, modern, nail, old, park, pinnacle, plant, power, production, protected, red, river, smoke, stack, street, tank, tube, urban, wall,