Ngaphambi kokuba usebenze umatshini wokuwelda i-nut, kubalulekile ukulandela amanyathelo athile okuqinisekisa ukhuseleko, ukusebenza kakuhle, kunye nokusebenza ngokufanelekileyo. Eli nqaku lixoxa ngengqwalasela ephambili kunye namanyathelo ekufuneka abaqhubi bawathathe ngaphambi kokusebenzisa umatshini wokuwelda amantongomane ukunqanda iingozi, ukunciphisa iimpazamo, ...
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