Ключевые слова: beam, chemical industry, color, crank, design, drilling, drilling rigs, drive, drop, economy, energy, environment, equipment, exploration, facilities, framework, fuel, industry, leverage, machinery, manufacturing, metal, mineral, mining, oil fields, oil pump, oil pumping unit, power, process, production, promotion, red, rotation, shape, sky, solid, steel, support, swing, tools, traditional, transmission,