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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.
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,
Wooden blocks with words 'Home Equity loan'. Legal concept
Cooking oil in glass bowl and soy beans isolated on white.
The refinery produces gasoline, oils, and other refined petroleum products

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