The beam pumping unit is homework, under the setting sun
Contributor: hanmaomin
ID : 126717219
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Keywords
process, exploration, mining, ascend, homework, steel, metal, heavy, industry, equipment, extraction, fuel, liquid, gas, jack, machine, rotation, swing, power, economy, electric power, energy, raw, store, technology, environment, component, labor, sunset, sky, cloud, silhouette, background, blue, red, black, beautiful, good-looking, closeup, chinaRelated items
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