Lesi sitezi esiphakanyisiwe siklanyelwe ngokukhethekile ukwakheka kwekhebula kalula ezakhiweni ezihlakaniphile.Ingaphandle lesitezi esiphakanyisiwe lenziwe ngeshidi lensimbi ebandayo ye-zinc ephezulu, phezulu nangaphansi kokubili kuyishidi lensimbi ebandayo ye-zinc enwebeka kakhulu.Isakhiwo sezobuchwepheshe sokushisela indawo esithuthukisiwe sisetshenziswa phezulu naphansi kwesitezi esiphakanyisiwe, futhi phakathi nendawo kugcwele usimende ongasindi wezithako ezikhethekile ezakhiwe yi-KEHUA.Ngale ndlela, imikhiqizo eqediwe ifaka umthamo omkhulu wokulayisha nokuqina.Ingaphezulu lephansi eliphakanyisiwe lingambozwa nge-PVC ehlukahlukene noma amakhaphethi endwangu.