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Vacuum pump - A vacuum pump is a pump that removes gas molecules from a sealed volume in order to leave behind a partial vacuum.
Diffusion pump - [pumps are a type of vacuum pump] designed to achieve better vacuum pressures than possible by use of mechanical pumps alone. They use a high speed jet of fluid to direct residual gas [[molecules in the pump throat down into the bottom of the pump and out the ...
Vacuum cleaner - A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from carpeted floors.
Ion pump - Sputter ion pumps are a class of vacuum pump designed to operate in very low pressure (i.e.
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