Umjelo womgangatho ongabonakaliyo

I-drain esisigxina yobubanzi obukhulu ayifanelekanga kuphela kuzo zonke iintlobo zeendawo zoluntu, kodwa kunye nezicwangciso zoshishino kunye nezorhwebo. Izibonelelo zayo zininzi xa zithelekiswa ne-drain egxumayo. Ngokungafaniyo nedreyini egqobhozayo, engasebenzisi mfuno isebenzayo yamanzi, idreyini enobubanzi obukhulu ibonelela ngesantya sokuhamba ngokukhawuleza, iyenza isebenze ngakumbi ekukhupheni amanzi kwiindawo ezahlukeneyo. Ukongezelela, ukuyila kwayo kunceda ukugcina indawo ejikelezileyo icocekile ngamaxesha onke ngokuthintela ukuvala kunye nokuvumela i-debris ukuba idlule ngokulula.