Upende wangaphandle osuselwe emanzini uwupende lwamanzi odongeni lwangaphandle oluvumelana nemvelo owenziwe nge-acrylic resin yezinga eliphezulu, i-rutile titanium dioxide, isigcwalisi esisebenzayo kanye nezithasiselo.Umkhiqizo unezici zokunamathela okuhle nokuguquguquka.