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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,
An eco-friendly refinery converting renewable resources like vegetable oils or animal fats into biodiesel, reducing carbon emissions and promoting a greener future. Imports and exports concept.
Aerial view of oil and gas refining petrochemical factory with tall refinery plant manufacture structure.
Senior Adult Couple Going Over Documents in Their Home with Agent At Signing.

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