Ключевые слова: alternative, business, commercial, construction, crude, cultivated, digging, energy, engineering, environmental, equipment, extraction, feature, field, flow, fossil, fuel, gas, gasoline, generation, global, industrial, industry, iron, land, machinery, metal, natural, nature, oil, petroleum, pipe, pipeline, planning, pollution, power, range, resource, steel, structure, tap, technology, tool, trans adriatic pipeline, transportation, tube, tubular, wealth,