[forty two] From prehistoric periods, Egyptians probably utilised the strength of the once-a-year flooding from the Nile to irrigate their lands, steadily learning to regulate much of it by purposely built irrigation channels and "catch" basins.[forty three] The traditional Sumerians in Mesopotamia applied a posh method of canals and levees https://knoxxemky.newsbloger.com/37677678/how-much-you-need-to-expect-you-ll-pay-for-a-good-teknologi-blockchain-adalah