noun
EXAMPLES FROM CORPUS
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At the same time the air pump removes waste water and air from the separate condenser thus maintaining a vacuum in it.
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His other suggestions were in respect of a chemical pump and an air pump .
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His undergravel filter, therefore was best powered by an air pump rather than powerheads.
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The equipment need only be a sponge filter, air pump and heaterstat.
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When connected and adjusted, an air pump needs very little attention.
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Which you choose, an air pump or alternative means, is a matter of personal choice.