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The workers pour powders into molds, and after being pressed, within seconds, it turns into a solid piece of metal. This process is known as powder metallurgy, a specialized method where a metal mixture is compressed under high pressure and then sintered to increase its strength. Since the process is fast and requires less energy compared to smelting, many small gears are manufactured this way, with each one taking only few seconds to produce. #interesting #interastingfacts #uniquefacts #satisfying
