Ключевые слова: black, burnt, business, chemical, chemistry, color, concepts, concrete, damage, danger, dirt, dirty, disaster, disgust, drilling, emergence, environment, environmental, equipment, fossil, fuel, garbage, gasoline, heap, hole, illness, industry, lake, liquid, mining, nature, oil, petroleum, pollution, power, protection, slippery, soil, soot, spilling, substance, technology, toxic, tube, unhygienic, well,