Silsilado caag ah
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Silsilado caag ah oo leh rollers ku yaal pom / pa6 sheyga
Waxay adeegsataa SS-ka weelka iyo caaga dibadda, iyo caagga injineernimada khaaska ah (Matte cad, pom ama pa6) ee isku xirka gudaha, si looga hortago taxane ah oo ka fiican taxanaha caadiga ah. Si kastaba ha noqotee, lagula taliyo marka la xusho in culeyska ugu badan ee la ogolaan karo ay tahay 60% oo ah silsiladda taxanaha caadiga ah.