·Yapangidwa ndi polyethylene yapadera yopangidwa ndi anthu ambiri
nsalu ya (HDPE) yomwe yapangidwa mwapadera kuti ilepheretse
dzuwa pamene likulola mpweya kuyendakudzera.
· Kapangidwe katsopano kopangidwa ndi manja, Kotetezeka kwa ana ndi ziweto
kugwiritsa ntchito opanda zingwe
· Kukhazikitsa kosavuta.











