how do you appreciate the efforts of man to use the metals in making tools
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The move that men made into making their tools using metals ushered in the bronze and iron ages from the stone age and literally changed the world. Today, virtually every economic sector is driven by metals. Metals are used to build buildings, machines in agriculture, vehicles, bridges, electric wires and so on. It can be said that without metals, the world would be thrown into a technological oblivion.
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