Humans need clothes to cover their private parts and clothing for warmth, comfort and protection.
Creation of fire
Humans need warmth for winter since winter is freezing. Fire was extremely important for humans in order to live in winter. Fire attracts and is worthy of attention to humans because fire helped us live by kept us warm in the freezing winter.
Invention of wheels.
Wheels are extremely important especially for transportation vehicles. If we didn’t have wheels in this world, some people would be able to go to their work because their house might be far from their workspace.
Humans creating writing
Humans created writing as a form of communication across places and added them in letters to communicate while trading with others.
We need electricity for contacting, proceeding a machine and to see things clearly with light.