Iindonga zolwandle ezakhiwe ngaselunxwemeni, zizakhiwo ezibalulekileyo zehydraulic ukumelana namaza, amaza okanye amaza olwandle okukhusela unxweme.Amanzi aqhekezayo abuyisela kwaye akhusele amanxweme ngokuphazamisa amandla amaza, kunye nokuvumela intlabathi ukuba iqokelelane ngaselunxwemeni.
Xa kuthelekiswa nokuzaliswa kwamatye e-tranditonal, i-polypropylene geotextile tubes ehlala ixesha elide kunye ne-site yokuzalisa iindleko zokunciphisa ngokunciphisa ukukhutshwa kwezinto kunye nokuthutha.