Umbhobho otyatyiweyo wodonga oluphindwe kabini (umbhobho we-DWC) luhlobo olutsha lombhobho onepolyethylene enoxinano oluphezulu njengemathiriyeli ekrwada. Ineempawu zobunzima bokukhanya, ukumelana noxinzelelo oluphezulu, ukuqina okuhle, ukwakhiwa okukhawulezayo kunye nobomi benkonzo ende. Uyilo lombhobho olugqwesileyo eludongeni lunciphisa kakhulu iindleko xa kuthelekiswa nemibhobho yezinye izakhiwo. Kwaye ngenxa yokuba uxhulumaniso lufanelekile kwaye luthembekile, lusetyenziswe ngokubanzi ekhaya nakwamanye amazwe. Shintsha inani elikhulu lemibhobho yekhonkrithi kunye nemibhobho yentsimbi.