Ключевые слова: blue, close, construction, control, controller, damage, detail, device, dirty, energy, engineering, fuel, gas, generation, ground, hand, handle, industrial, industry, iron, line, manual, metallic, object, oil, old, open, operation, pipeline, power, process, production, pump, raw, repair, replace, rig, rust, safe, station, steel, stress, supply, system, transfer, transportation, valve, water, wheel,