Iscreen yokuhlola amanzi esikhakhweni seshandong Tonda sesibhedelela ukususa isipho esishona kakhulu lokuhlola amanzi kumateriale angaphansi kakhulu noma lokusebenzisa umkhuthazo omncane, njengokuphela kominingi noma izilimelwano zokusetyenziswa. Ukusetyenziswa wesikhakhwe ngokubungakhiwo kufaka indlu yesikrini esisisekelwa polyurethane esihlelwa ngamabavali amaspirali, apho amateriale azalwa ngezantsi futhi azahamba ngokugcina ukuseta amanzi ngokushesha ngaphandle kwezinyezi (1–5 mm). Ukusetyenziswa kwesikrini lapho kuhlelwa polyurethane ifaka umthengiso wemanzelo (uphindo 50 kJ/m²) kunye nokuchephesha kwezincinci, lokhu kuyaziwayo phakathi kokuhlola amanzi amanqaku olunyenyane, amacatalisti akhona amaningi noma amathetheli wephutheke. Ngenkinga engapheleleyo (idiameter 0.5–2 m), isebenza ngokubonakaleyo ngaphandle komkhandlu wendawo ekuzigcinayo. Vumela nethu ukukazwela ukuguquka amandla okulandelana nesikhakhweni sokuhlola amanzi esikhakhweni sakho sokungaphumeleyo.