Iyo yakanakisa high barriers zvinhu ndeyekuwedzera hupenyu hwesherufu yeupfu.Kudhinda kwakajeka uye chero ruvara runogona kudhindwa.Yakanaka kurongedza kofi.
Izvo zvakanakisa zvipingamupinyi zvakakwirira ndezvekuwedzera hupenyu hwesherufu yehupfu.Zviri nyore kuona kuburikidza nehwindo rakajeka.Kudhinda kwakajeka kwakanakisisa uye kunogadziriswa zvinhu.Chero ruvara runogona kudhindwa.