levees
levees (flood control)
the answer is levees or, Irrigation
Flood control
Flood control! -Apex :]
levees (flood control)
Google's first -and historically major development- was its search engine's algorithm.
irrigation
moonsoon
Two technological innovation which enabled the first skyscrapers to be built were the development of the elevator by inventor Elisha Otis and the design of steel structural supports for tall buildings by architect William Le Baron Jenney.
levees (flood control)
Food control Apex😑😐
Prototype innovation is a new method or idea to a first or preliminary model of something,