1.Mawonekedwe ozungulira okhala ndi ma telescopic odzisungira okha, osavuta, ofulumira komanso osinthika, otambasulira zotanuka amangobwezedwa mwakufuna
2.Kuthamanga ndi kotetezeka + kusamutsa deta
3.Aluminiyamu zitsulo zachitsulo, waya wophwanyika wopota, kutentha kumapindika kukhala mawonekedwe ozungulira
4. Thupi la waya wolukidwa, pachimake mkuwa wokhuthala, kutayika pang'ono, kuyitanitsa kotetezeka komanso mwachangu, kukhazikika