Instead of achieving that kind of distribution, a giant suction pump had by 1929-30 drawn into a few hands an increasing portion of currently produced wealth...
While wealthier residents use suction pumps and storage tanks to improve supply, poorer residents suffer more from low pressure and intermittent supply.
Due to the built-in head design, the suction pump is also needed to prime the ink channels inside a new printer, and to reprime the channels between ink tank changes.
The trucks are equipped with suction pumps that vacuum out used cooking oil from massive storage barrels, some of which can handle more than 2,000 litres, depending on the facility.
