Ключевые слова: analysis, background, biotechnology, black, blurred, business, chemical, chemistry, closeup, crude, different, discovery, energy, equipment, experiment, fluid, fossil, fuel, gas, gasoline, glass, glassware, industrial, industry, lab, laboratory, liquid, material, naphtha, object, oil, oily, organic, petrol, petroleum, pollution, power, research, science, scientific, technology, test, toxic, tubes, types, waste,