She could feel the blood pumping in her neck.
There are pumping works and filtration beds for the water-supply of London.
This is an expensive operation as it entails the cost of pumping the water out again and repairing the resulting damage.
But sufficient time must be allowed to elapse before pumping out the water, as otherwise the fire may break out again.
The larger part of the water supply, however, is now derived by pumping from strata at about sea-level.
