Li-uprights li entsoe ka li-square tubes tse 3mm tse teteaneng, ha li-tubes tse ling li sebelisa botenya ba 2.5mm, ho netefatsa botsitso le ho tšepahala nakong ea tšebeliso.
Tsamaiso ea WALL-BASED e etselitsoe ho ts'oaroa leboteng le fatše, ho fana ka liteishene tse fapaneng tsa koetliso tse sebetsang ka holim'a lishelefo tse ngata tsa polokelo, ho eketsa tšebeliso ea sebaka.