Mfundo zazikuluzikulu
Kutentha kwa Insulation:Manja a chikho cha mapepala amatha kuyika chotchingira pakati pa kapu yachakumwa yotentha ndi kasitomala, kuchepetsa kutentha kwa manja ndikupewa kupsa.
Anti-slip:Manja a kapu ya mapepala amatha kukulitsa kukangana pakati pa dzanja la kasitomala ndi kapu, kulepheretsa chikhocho kuti chisatsetsereka m'manja mwa kasitomala komanso kuletsa chikhocho kuti chisagwedezeke mwangozi komanso chakumwa kuti chisasefuke.
Kwezani mtundu:Kusindikiza chizindikiro chamtundu kumatha kukulitsa kuzindikira ndi kuzindikirika kwamtundu, kubweretsa zopindulitsa zamalonda kubizinesi.