Imibhobho yensimbi inokuqhekezwa ngesiseko sesicelo sayo. Imisebenzi yesiqhelo yemibhobho yentsimbi ikwindawo yemibhobho yamanzi, imizila yamanzi emizi-mveliso, imigca ye-oyile, imizila ye-oyile, imizi ye-chibe yegesi, imizi-mveliso ye-chibe, amashishini okwakha nezinye iinjongo.