Izicelo zensimbi: Insimbi isetyenziselwa ikakhulu ekwakheni, kumatshini, kwimoto, amandla, ukwakha iinqanawa, izixhobo zasekhaya, njl njl. Ngaphezu kwe-50% yentsimbi isetyenziselwa ukwakha. Intsimbi yokwakha ubukhulu becala yi-rebar kunye nentambo yocingo, njl.
Funda ngokugqithisileyo