Ключевые слова: black, business, chemical, combust, company, concept, conceptual, design, diesel, distillation, draw, drawn, drilling, energy, environment, exploration, factory, frame, fuel, gas, gasoline, graphic, icon, illustration, industrial, industry, label, manufacture, minerals, natural, nature, oil, petrol, petroleum, pictogram, plant, poster, power, product, pump, refine, refinery, resource, supply, symbol, wind,