1, PA66: Iyada oo leh dahaadh wanaagsan iyo sifooyin dielectric ah, ammaan ah in la isticmaalo
2, Waxay leedahay iska caabin wanaagsan oo gabowga kulaylka iyo dib-u-celinta ololka
3, Mugga hadda yar, dab-shidka, isku xirka fudud, badeecadani waxay ahayd shahaadada CE