Iplastiki yenkunkuma eyondliwa embizeni yomatshini, iblade ejikelezayo enesantya esiphezulu kunye neblade esisigxina yokucheba izinto ngokujikeleza, ukuze loo nto igawulwe ibe ngamaqhekeza, inqunyulwe okanye icwecwe lezinto phantsi kwe-centrifugal force rotation yomsiki.