1.sebenzisa ukulungiswa kwejubane lika-electromagnetic, ngokushintsha isivinini sokujikeleza kwabalandeli, ukulungisa ivolumu yomoya, ububanzi obukhulu bevolumu yomoya (350 ~ 1400rpm).

2.ine-vibration motor emlonyeni wokuphakela ibhande le-coveyor, qinisekisa ukuthi ukuphakela itiye akufanele kuvinjwe.