What craft was first invented by the ancient Egyptians and then spread to all parts of the world by Arabs?

In addition to inventing plows, pumps and canals, the ancient Egyptians made the world's first paper from reeds around 2600 BC. Decimal counting method 4 Ancient Egyptian characters were produced 3500 years ago and are hieroglyphics called holy books.

This kind of writing is one of the oldest human writing, and it is often engraved on tombs, monuments, temple walls or stones of ancient Egyptians, so it is called "sacred writing".

Extended data:

The difference between ancient Egypt and modern Egypt lies in the cultural inheritance. Ancient Egyptian civilization is water conservancy civilization, religious belief is polytheism, and the gods are centered on the sun god. The present Egyptian faith belongs to Islam and Arab civilization.

Its cultural separation time was about 640 AD. During this period, Egypt was occupied by Arabs and began to Arabize, and the original civilization was lost and broken. At present, historiography basically divides Egypt according to this time.