Ключевые слова: background, barn, barrel, board, building, business, cargo, chemical, chemistry, color, container, danger, diesel, disaster, discarded, disposal, drum, economy, energy, environment, factory, fossil, fuel, gallon, garbage, gas, gasoline, hardwood, industrial, industry, lumber, metal, nobody, objects, oil, outdoors, petrol, petroleum, plank, poison, pollution, recycle, row, rusty, safety, scrap, shortage, space, steel, tank, toxic, transportation, urban, wall, warehouse, weathered, wood, wooden,