Leli thawula lokugeza elilahlwayo, elilingana no-70 * 140cm ucezu ngalunye, lenziwe ngendwangu engalukiwe yekhwalithi ephezulu, iphelele njengendwangu yokuhlanza elahlayo. Epakishwe ezikhwameni ezivalwe nge-vacuum ukuze kuhlanzeke futhi kube lula, lawa amathawula angalukiwe anikeza isixazululo esifanelekile sokugcina inhlanzeko.
