Air-lift sentence example

  • Mine pumps of ordinary forms may be operated by compressed air, and air-lift pumps have been successfully employed.
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  • One other method - the use of the so-called " air-lift " - should be mentioned.
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  • The object attained by the air-lift is precisely the same as that attained by putting a pump some distance down a borehole; but instead of the head being reduced by means of the pump, it is reduced by mixing the water with air.
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