aAs defined by The New International Webster’s College Dictionary, an idiom is an expression not readily analyzable from its grammatical construction or from the meaning of its component parts. It is the part of the distinctive form or construction of a particular language that has a specific fo...
This hole faces the flow of water when the valve is open. When the valve is closed, the solid side of the ball faces the flow, effectively blocking further forward movement of the liquid. Because of this design, ball valves are a type of shut-off valve, meaning they...