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.
Video duration 3:51. How bank note paper is made Jump to media player The Landquart paper mill in Switzerland makes the paper for Swiss francs and euros as well as bank notes for many other countries. Production manager Marco Zeithen gave the BBC a tour. 21 Sep 11. From the section Business.