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Amabhande okuthutha kanye nama-Roller
Amabhande okuhambisa Ibhande liyindlela yokuphatha yesistimu yebhande lokuthutha (imvamisa lifushaniswa ukuze libe isihambisi sebhande). Isistimu yokuthutha ibhande ingenye yezinhlobo eziningi zamasistimu okuthutha. Isistimu yokuthutha ibhande iqukethe ama-pulleys amabili noma ngaphezulu (ngezinye izikhathi abizwa ngokuthi izigubhu), ane-loop engapheli yokuthwala okuphakathi-ibhande lokuthutha-elizungezayo. I-pulley eyodwa noma yomibili inikwe amandla, ihambisa ibhande kanye nezinto ezisebhandeni phambili. I-pulley enamandla ibizwa ngokuthi i-drive pulley ngenkathi...