Ama-Casters aqoqwa ndawonye ngokuthi imisebenzi kanye nama-caster fixed. I-casters nayo ibiza ngokuthi i-caster, isakhiwo sayo sivunyelwe ukushintshanisa ama-degrees angu-360; ama-casters ahleliwe ngaphandle kwesakhiwo esijikelezayo, ayikwazi ukuphenduka. Ngokujwayelekile izinhlobo ezimbili ze-casters ngokuvamile zisetshenziselwa, njengokwakhiwa kwe-trolley yi-front front wheel amabili, ngemuva kwe-push eduze kwesigcawu yi-caster emibili esebenzayo....
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