1. Kudzivirirwa kwemvura kuduku, uye iyo yakazara-bore ball valve haina kunyanya kuyerera.
2. Chimiro chakareruka, hukuru hudiki uye uremu huremu.
3. Pedyo uye yakavimbika.Iine nzvimbo mbiri dzekuisa chisimbiso, uye ikozvino yekuisa chisimbiso pamusoro pezvishandiso zvebhora mavharuvhu zvinoshandiswa zvakanyanya mumapurasitiki akasiyana, ane kuita kwakanaka kwekuvhara uye anogona kuwana chisimbiso chakakwana.Yakave zvakare yakashandiswa zvakanyanya muvacuum system.
4. Zviri nyore kushanda uye kuvhura uye kuvhara nekukurumidza.Inongoda kutenderera 90 ° kubva kuvhurika zvakazara kusvika kuvharwa zvakazara, izvo zviri nyore kune kure kure.
5. Kugadzirisa kwakaringana, chimiro chakareruka chevharuvhu yebhora, kazhinji inofambiswa chisimbiso mhete, nyore kupatsanura uye kutsiva.