Moulding of metal is reversible or irreversible change
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Answer:
Reversible change
Explanation:
People cast metal into shapes by melting them into a liquid. Melted metal is poured into molds. As the metal cools, it solidifies. This is how people make metal objects with different shapes. Alluminium, iron, lead, copper, gold and silver are popular types of metal that are melted. Also, brass, bronze and steel are some examples of metal alloys created by melting metal.
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