* Pakuwumitsa vacuum, mphamvu mu silinda nthawi zonse imakhala yotsika kuposa mphamvu ya mlengalenga, kuchuluka kwa mamolekyu a mpweya kumakhala kochepa, kuchuluka kwake kumakhala kochepa, ndipo mpweya wokwanira ndi wochepa, kotero kuti mankhwala omwe ndi osavuta kuumitsa amatha kuumitsa ndipo mwayi woti mabakiteriya aipitse zinthuzo ukhoza kuchepetsedwa.
* Popeza kutentha kwa gawo lonyowa mu ndondomeko yotulutsa nthunzi kumakhala kofanana ndi kuthamanga kwa nthunzi, poumitsa vacuum, gawo lonyowa la chinthucho limatha kutenthedwa ndi nthunzi pa kutentha kochepa kuti liume pang'ono, makamaka loyenera kupanga mankhwala okhala ndi zinthu zomwe zimakhudzidwa ndi kutentha.
* Kuwumitsa kwa vacuum kumatha kuthetsa vuto la kuumitsa pamwamba lomwe limapangidwa mosavuta ndi kuumitsa mpweya wotentha mumlengalenga, chifukwa kusiyana kwa kuthamanga pakati pa zinthu zowumitsa vacuum ndi pamwamba ndi kwakukulu, pansi pa kupanikizika, madzi amasunthira mwachangu pamwamba, sipadzakhala kuumitsa pamwamba.
* Chifukwa cha kutentha kochepa pakati pa mkati ndi kunja kwa chinthucho panthawi yowuma vacuum, gawo lonyowa limatha kusuntha ndikusonkhanitsa palokha chifukwa cha reverse osmosis, ndikugonjetsa bwino vuto lolekanitsidwa lomwe limayambitsidwa ndi kuumitsa mpweya wotentha.






























