1, kuki feri igomba gutemba ikizamini cyo kurwanya ruswa?

As the car brake pads are exposed to the air in the parts, the general host supporting manufacturers of products will require water resistance test, water resistance test types are: spray test, sprinkling test, water test and immersion test, mainly to detect the brake Pad muminsi yimvura, imiterere yumuhanda wamazi nibindi bisabwa byimikorere yibicuruzwa.

4, Kuki feri ya feri ikora ikizamini cyumunyu?