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Vertical steel tank for storing petroleum products and flammable liquids. A park for storing petroleum products. Lightning protection device on tanks. Gasoline production.
Refinance word on wooden block. Office table background.
A gold ingot is sometimes also known as a gold bullion or a gold bar. It's a quantity of refined metallic gold, made by a trained bar producer.
A train passes by an oil refinery at sunset in Bakersfield, California, USA.
Industrial revolution, energy and technology concept,The equipment of oil refining, industrial equipment pipelines of an oil-refinery plant, Detail of oil pipeline with valves in large oil refinery,

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