Types of valves. The many different types of valves all have different names. The most common ones are the butterfly, cock or plug, gate, globe, needle, poppet, and spool: Ball: In a ball valve, a hollowed-out sphere (the ball) sits tightly inside a pipe, completely blocking the fluid flow.
Re: Surely someone must know where Canadian money is printed? Hi, thanks for the reply. From what I've gathered the BoC distributes notes, but they don't make them. I seem to recall the 2012 thing was in reference to not making paper money, and the shift to plastic/polymer notes.
What are paper clips made out of? A: Most paper clips are made out of galvanized steel wire, which is made from iron, carbon and zinc. In a fast process, galvanized wire is fed off a spool into a machine and transformed and bent as it passes through. Continue Reading. Hundreds of paper clips are created per minute in paper clip-making machines.