datová pumpa(A component used in SQL Server 2000 Transformation Services (DTS) to import, export, and transform data between heterogeneous data stores)
heat pumpA device which transfers heat from a cooler reservoir to a hotter one, expending mechanical energy in the process, especially when the main purpose is to heat the hot reservoir rather than refrigerate the cold one
water pumpA machine or apparatus used to lift water, usually from a well or borehole, which is powered manually or by engine, wind or some other source
