Xa unomdla wokuvumela impompo ye-slirry yeka ukusebenza, kukho inqaku ofanele uyazi: 1, ngaphambi kokuba uyeke umsebenzi ococekileyo kangangemizuzu engama-20 ukuya kwengama-30, ukucoca umthwalo, kwaye ezinye iindawo zokuhamba zicocekile. 2, vula ivalve esezantsi kwaye uvale ivalve yokuphuma. ...
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