three layers of the bumper are responsible for different speeds

来源: 于 2012-08-11 12:18:24 [旧帖] [给我悄悄话] 本文已被阅读：次

Or you would have to go to body shop if you had an accident with a speed of <20 mph.

I bet ya that you always wear gloves when working on your cars. gloves are very thin, but does protect you to some extent.

overall, if it exists, there must be some reason behind.The engineers are always smater than backyard guys, averagely.