1. Kurwanya amazi ni bito, kandi coeffisente yo kurwanya ni imwe nuburebure bumwe.
2. Imiterere yoroshye, ingano nto n'uburemere bworoshye.
3. Funga kandi wizewe, kashe nziza, kandi ikoreshwa cyane muri sisitemu ya vacuum.
4. Biroroshye gukora, gufungura no gufunga byihuse, kuva gufungura kugeza gufunga kuzunguruka 90 °, ni byiza kugenzura kure.
5. Biroroshye kubungabunga, imiterere yoroshye yumupira wumupira, impeta yo gufunga muri rusange irakora, biroroshye kuyikuramo no kuyisimbuza.
6. Ubuso bwa kashe yumupira nintebe bigomba gutandukanywa nibitangazamakuru iyo byuzuye cyangwa bifunze, bidateye isuri hejuru yikimenyetso cya valve.
7. Urutonde runini rwa porogaramu, kuva kuri ntoya kugeza kuri milimetero nyinshi, nini kugeza kuri metero nyinshi, kuva mu cyuho kinini kugeza kumuvuduko mwinshi urashobora gukoreshwa.