1. Chubu cha aluminiyamu chopepuka komanso cholimba chokhala ndi mapeto odzola.
2. Mtundu wa pamwamba ukhoza kusinthidwa malinga ndi pempho lanu.
3. Chubucho chili ndi pini yotsekera yosinthira kutalika kwa chogwirira kuyambira 27.95”-37.80” (maleveli 10)
4. Kugwira kwa polypropylene komwe kumapangidwa ndi thupi kungathandize kuchepetsa kutopa ndikupereka chidziwitso chosavuta
6. Nsonga ya pansi imapangidwa ndi rabara yoletsa kutsetsereka, ingagwiritsidwe ntchito kulikonse.udzu wonyowa, malo osagwirizana, ndi zina zotero)
7. Imatha kupirira kulemera kwa mapaundi 300.
