Umahluli
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Ukupakishwa kweqanda lenkukhu etshintshayo isahluli sephalethi yamkela yenziwe ngokwezifiso kuyo nayiphi na imibala
I-plate yokwahlula, i-groove yokuqala ye-clamping yenziwe kwi-plate yokwahlula, kwaye i-clamping groove yesibini yenziwe kwi-plate plate;apho, umqolo obambeneyo wokuqala ubekwe kumda wepleyiti yokwahlulahlula, ngoko ke umjelo obandakanyayo wesibini ubekwe ngaphezulu kwepleyiti eyahlulayo.