Ключевые слова: analysis, background, beakers, biotechnology, black, business, car, chemical, chemistry, closeup, copy, crude, diesel, different, discovery, energy, engine, environment, flask, fluid, fossil, fuel, gas, gasoline, glass, industrial, industry, lab, laboratory, liquid, material, object, oil, organic, petrol, petroleum, pollution, power, research, science, space, table, technology, text, toxic, types, waste, white, yellow,