The internal ball has a hole through the center of it. When the valve is open, the hole...MORE is aligned with the direction of the water pipe, allowing water flow. When the handle is closed, the ball rotates 90Â° so the hole in the ball is blocked. This is quite a common type of valve on main water pipes. of 06. A gate valve describes the mechanism by which the valve is opened and closed. To turn a gate valve on or off, a circular handle is turned to raise or lowers a metal gate inside the valve body. When the valve is off the gate blocks the flow of water.
The Canadian Dollar (CAD) is the official currency of Canada. The symbol used for the Canadian Dollar is $, or C$ to distinguish it from other dollar currencies. The Canadian Dollar is subdivided into 100 cents. Canada is rated the 9th largest economy in the world.
M oney in Canada is made by two different governmental agencies. Notes (paper currency) are produced by the Bank of Canada. Coins are produced by the Royal Canadian Mint. Compared to the United States, Canada's money is very colourful and we also have fewer bills.MAIN MENU: SYMBOLS, FACTS, & LISTS: CURRENCY. I n June 2011, the Canadian government unveiled the latest series of notes, this type made of polymer instead of paper.N.B. In late 2000, the government decided to stop production of the $1000 bill. While it will remain legal currency, it will gradually be phased our of circulation, leaving the $100 bill as Canada's largest denomination. T hese are the standard coins currently in circulation.