Dharka aan timaha lahayn ayaa leh caabbinta kulaylka sare, impregnation aad u fiican iyo guryaha dielectric, lebbiska iyo dusha siman, dhumuc yar oo leexsan iyo xoog xoog leh;Filimka polyester-ka ee PET ee caano leh ayaa ka gudbay shahaadada UL ee Maraykanka;, oo lagu farsameeyay tilmaamo kala duwan oo ah lakabka dahaadhka fiilada magnetic oo leh cajalad dillaacsan.
