Question

by which country was the technique of powder metallurgy invented
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Answer 1

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Metals with a high melting point such as iron entered the scene about 7,000 years before furnaces capable of reaching temperatures close to the melting point were available. This implies that, objects made of iron were built using “powder metallurgy“, which was introduced by the Egyptians about 5,000 years ago.

Answer 2

Answer:

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Metals with a high melting point such as iron entered the scene about 7,000 years before furnaces capable of reaching temperatures close to the melting point were available. This implies that, objects made of iron were built using “powder metallurgy“, which was introduced by the Egyptians about 5,000 years ago.