Ключевые слова: activities, agricultural, carrying, chemical, chemistry, climate, connection, contributing, crude oil, diesel, distillery, dusk, energy, engineering, equipment, export, factory, fossil, fuel, gas, gasoline, generated, industrial, industry, irrigation, line, machine, machinery, manufacture, manufacturing, oil, petrochemical, petrol, pipe, pipeline, piping, pollution, power, production, refinery, steam, steel, storage, structure, supply, technical, transportation, tube, water,