Odpowiedzi na post #36

These are common in any basement that sits below ground or any basement that water gets into really. If the power goes out they can absolutely...

Yes they flood whenever power is lost. Never buy any type of property with a basement below water level. If you do, don't expect to be able to...

Even the Romans had hugely complicated mechanisms to keep their underground mines clear of water. When the power source (slaves) dried up then...