Piston pumps and plunger pumps are reciprocating positive displacement pumps that use a plunger or piston to move media through a cylindrical chamber. They are also called well service pumps, high ...

Lift the plunger. Unlike a toilet, you may not know you've cleared the drain clog until you lift the plunger. Every 30 ...

17. Lewter, who had several connections to Republican politics in north Alabama, allegedly sodomized his victim with a plunger on March 6 before killing him, according to court documents.