Ama-uprights enziwe ngamashubhu ayisikwele angu-3mm awugqinsi, kuyilapho amanye amashubhu asebenzisa ukujiya okungu-2.5mm, okuqinisekisa ukuzinza nokwethembeka ngesikhathi sokusetshenziswa.
Uhlelo lwe-WALL-BASED luklanyelwe ukugxilwa kukho kokubili odongeni naphansi, lunikeze iziteshi zokuqeqesha ezisebenzayo ezihlukahlukene phezu kwamashalofu okugcina amazinga amaningi, okwandisa ukusetshenziswa kwendawo.