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Umbhobho wentsimbi / umbhobho
Iibhobho zentsimbi ziyi-cylindrical tubes ezenziwe ngetsimbi ezisetyenziselwa iindlela ezininzi kwimveliso kunye neziseko.Zezona mveliso zisetyenziswa kakhulu kushishino lwentsimbi.Ukusetyenziswa okuphambili kombhobho kukuthutha ulwelo okanye igesi phantsi komhlaba-kuquka ioli, igesi kunye namanzi.