They used gated ditches and leaves.
Flooding, lower mining levels needed to be pumped out.
how to solve ascarcity problem
pumping water out of shafts -----> NovaNET answer Creating new tools. It operated pumps to control flooding of the mines.
Bullying
This is dumb!
levees and the gorges dam
They built a dam to prevent flooding and saved lives.
tigris rivdee
The problem of flooding in coal mines. It was designed to pump water out of mines.
they built leeves and this preented flooding. When they needed water they would poke holes in the leeves to allow water to flow in.
grwesr
grwesr
they pooped rain
Flooding, lower mining levels needed to be pumped out.
The flooding of the Nile River.
Look for a fuel leak Injectors flooding? Carbon canister flooded and need replacing?
It is to use science for a practical job or to solve a problem.