How did electricity change where factories were located

Early mills had run successfully with water power, but by using a steam engine a factory could be located anywhere, not just close to a water source. ... Water power varied with the seasons and was not always available.

The ancient Egyptians built pyramids as tombs for the pharaohs and their queens. The pharaohs were buried in pyramids of many different shapes and sizes from before the beginning of the Old Kingdom to the end of the Middle Kingdom. There are about eighty pyramids known today from ancient Egypt.