Ключевые слова: arrow, background, barrel, black, business, chart, chemical, commerce, concept, container, cost, crisis, crude, decrease, diagram, diesel, down, drop, drum, economic, economical, economy, energy, fall, finance, fossil, fuel, gallon, gas, gasoline, global, graph, illustration, industrial, industry, low, market, money, oil, petrol, petroleum, power, price, production, resource, sign, stock, symbol, tank, trade,