Today’s human was first a primitive human. Gradually his mind developed and he invented everything from stone tools to the wheel. Along with this, human civilization also developed and humans started inventing new things according to their needs. Today, from the time we get up from bed till we go to sleep again at night, we keep using things made by humans. Be it a bulb that lights in the room or a spoon for eating food. That is, everything from needle to airplane was created by humans and started…
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