Zokwerazo zimapangidwa ndi machubu akulu akulu a 3mm, pomwe machubu ena amagwiritsa ntchito makulidwe a 2.5mm, kuwonetsetsa kukhazikika komanso kudalirika pakagwiritsidwe ntchito.
Dongosolo la WALL-BASED lapangidwa kuti likhazikike pakhoma ndi pansi, kupereka malo ophunzitsira osiyanasiyana ogwira ntchito pamwamba pa mashelufu osungiramo zinthu zambiri, kukulitsa kugwiritsa ntchito malo.
