#air_pump__airpump__vacuum_pump a pump that moves air in or out of something
supertype: pump a mechanical device that moves fluid or gas by pressure or suction
subtype: condensation_pump__diffusion_pump__diffusionpump vacuum pump used to obtain a high vacuum
subtype: inflater__inflator an air pump operated by hand to inflate something (as a tire)
subtype: ion_pump__ionpump a vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface
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