Tunnel mhando yekupfura muchina wekuputisa, nekuenderera mberi kupfurwa pasina kumira mushure mekunge chidimbu chega chega chaitwa.Rubber spring plate sealing device inoshandiswa pakupinza nekubuditsa kudzivirira simbi inopfurwa kubva mukamuri yekuchenesa. Panguva imwecheteyo, ine mudziyo unofuridza nekuchenesa kuchenesa mapfuti asara pamusoro penzvimbo yebasa.
Mukuwedzera, inogona kubatanidzwa nekuchera, sawing, kupenda uye kuomesa masisitimu.
Nguva yekutumira: Kubvumbi-19-2022