Ключевые слова: activities, activity, asphalt, background, business, chemical, concept, crude, danger, dirty, disaster, drain, drip, drop, flowing, fluid, fuel, gas, gasoline, industrial, industries, industry, isolated, leak, leaking, liquid, natural, oil, passtime, petrol, pollution, purple, rainbow, reflection, refueling, road, shiny, spill, splash, spot, stain, street, tarmac, texture, warning, water, weather, wet,