Sinobuchule kakhulu ekuveliseni iisantya esiphezuluPE PP umbhobho wamacangcii-extrusionumgca wemveliso.Iiplasitiki zodonga olulodwa lwezibhobho zineempawu zokumelana nobushushu obuphezulu,imelana nomhlwa kunye nokugruzuka,ubunzima obuphezulu,elungileyo bhetyebhetye njl.