Ngophuhliso olukhawulezayo lweshishini lentsimbi, ukuze kuphuculwe izinga lokuphuma kwentsimbi, kuphuculwe izinga lokusetyenziswa kunye nokusebenza kakuhle kwemveliso yelitye lokusila, kunye nokunciphisa inani lokuvalwa komatshini wokusila, imiqulu ye-carbide kunye namakhonkco aqengqelekayo. njengoko ixesha lifuna,...
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