The average service life of a modern road vehicle is now 17 years in contrast to 11 ½ years in the 1970s. PVC has made a special contribution to this as the principal protector of the underbody (in ...
(MENAFN- GetNews) You are relying on a simple plastic valve to control water flow, but have you ever wondered how it is made? If a valve fails due to poor manufacturing, it can cause major leaks, ...