Iimpawu kunye neeKhetho zoFakelo-Ongeziweyo
-
Iimpawu zesingxobo Kwaye iinketho
Kukho iindawo ezahlukahlukeneyo zesikhwama sokupakisha, ezifana ne-valve yomoya, esetyenziswa ngokubanzi kwisikhwama sokupakisha ikhofi ukuqinisekisa ukuba ikofu ngaphakathi "inokuphefumula". Umzekelo, uyilo oluqhelekileyo lokubamba lomzimba womntu lusetyenziswa ngokubanzi kwizinto ezinzima. kwipakethe.