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.
A 100kg coin is, in and of itself, something of a rarity. But when you add on the fact that it was specially minted by the Royal Canadian Mint for the occasion, and that it is made of near pure (99.99 percent) gold, the $1 million face value of the coin gets inflated at auction to $4.1 million.