I-valve yegesi yephayiphi ezivalayo iyithuluzi elifakayo elifakwe ekugcineni kwepayipi legesi elinomfutho ophansi wasendlini futhi lixhunywe ezintweni zikagesi zasendlini ngamapayipi enjoloba noma ngezifutho zensimbi. Lapho ingcindezi yegesi epayipini iphansi noma iphakeme kunenani lokusetha, nomawhen i-hose iphukile, iwa futhi ibangele ukulahlekelwa kwengcindezi, ingavalwa ngokuzenzakalelayo ngesikhathi ukuvimbela izingozi. Ukusetha kabusha mathupha kuyadingeka ngemva kokuxazulula inkinga.
Siyakwamukela ukuze uchofoze inkinobho Yokubuza ukuze uthole amasampula amahhala!