Isu tinonyanya kugadzira chikafu nemidziyo yekurapa, uye tinokuziva iwe zviri nani! Inoshandiswa zvakanyanya mukudya, zvinwiwa, mishonga, makemikari ezuva nezuva, petroleum uye makemikari maindasitiri.
Inogona kugadzirwa kuita matatu akaturikidzana, yemukati layer yaive chikamu chekusangana neyakabikwa yako semukaka, muto kana chero chimwe chigadzirwa chemvura… kunze kwemukati, kune yekudziya / yekutonhodza bhachi rehutsi kana mvura inopisa / mvura inotonhorera. Kozouya goko rekunze. Pakati peganda rekunze nebhachi, pane 50mm ukobvu hwekuchengetedza tembiricha.