1.Ibirwanya amazi ni bito kandi coefficient yayo ikurura ihwanye nuburebure bumwe.
2.Imiterere yoroshye, ubunini buto n'uburemere bworoshye.
3.Gufunga kandi byizewe, ibikoresho byo gufunga umupira wumupira ukoreshwa cyane muri plastiki no gufunga, kandi bikoreshwa cyane muri sisitemu ya vacuum.
4.Byoroshye gukora, gufungura no gufunga byihuse, kuva gufungura kugeza gufunga kuzunguruka 90 °, ni byiza kugenzura kure.
5.Byoroshye kubungabunga, imiterere yumupira wumupira iroroshye, impeta yo gufunga muri rusange irakora, gusenya no kuyisimbuza biroroshye.
6.Ubuso bwa kashe yumupira nintebe bitandukanijwe hagati muburyo bwuzuye cyangwa bufunze.Iyo uburyo bwanyuze, hejuru yikimenyetso cya valve ntizangirika.
7.Ibice byinshi bya porogaramu, kuva kuri bito kugeza kuri milimetero nyinshi, binini kugeza kuri metero nyinshi, kuva mu cyuho kinini kugeza ku muvuduko mwinshi urashobora gukoreshwa.
Ibice bitatu bidafite ibyuma byumupira wumupira nubwoko bushya bwumupira.Ifite ibyiza bimwe byihariye muburyo bwayo, nko kutagira friction kuri switch, ntibyoroshye kwambara, nigihe gito cyo gufungura no gufunga.Ibyo bigabanya ibisobanuro bya moteri ikora. Hamwe na byinshi - bizunguruka amashanyarazi, uburyo bushobora kuba guhindurwa no gukata neza.Bikoreshwa cyane mumavuta, inganda zimiti, gutanga amazi mumijyi no kuvoma, nibindi.