The service life of friction materials (ceramic brake pads) is another important requirement. Waxay kuxirantahay nooca walxaha kala goynta iyo xaaladaha isticmaalka, shuruudaha sidoo kale way kala duwan yihiin. Tusaale ahaan, imisa kilomitir oo masaafo ah ayaa looga baahan yahay suufka baabuurta gawaarida?