1. Idizayini ebonakalisa ukupholisa komoya U idizayini ye-adsorption ethambile yesikhumba esithambile
2.Indwangu yemeshi yeSandwich ekhululekile isibambo esiphefumulayo isibambo esiphuthumayo inkinobho kazibuthe idizayini ekhethekile yelungelo lobunikazi
3.Ilokhi ekhishwa ngokushesha yenza kube lula ukugqoka amabhande okudonsa ohlobo lwe-D anomucu okhanyayo ongaphezu kowodwa odizayinelwe ukuhamba okuphephile nokukhanya okuphezulu okucwebezelayo ebusuku.