(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, ...

Regardless of what type of vehicle you drive, if it was built in the last few decades, its engine has some form of emissions control system designed to reduce the harmful environmental impacts of ...

No matter how tightly within the prescribed specifications an engine's piston clearance and ring tension are in its cylinders, a certain amount of fuel and combustion vapor slips past and enters the ...