5. [Mipikisano zinchito njinga thumba] M'kati mwa mauna thumba thumba kapangidwe, zosavuta kusunga ndi kunyamula zinthu, ogwira mayamwidwe mantha, kupewa mikanda pakati pa zinthu. Chikwama cha njinga ndi chosavuta kukhazikitsa ndi chotchinga chothamangitsira kunja, ndipo chingwe cha paphewa chikhoza kusinthidwa mwakufuna, chomwe chingagwiritsidwe ntchito ngati thumba lachikwama la insulated, thumba la paphewa, maimidwe a foni yanjinga, thumba la njinga yamoto, ndi chowonjezera cha njinga yamagetsi.