the index the world tracks
The symbol for First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index in NASDAQ is: GRID.
The symbol for First Trust NASDAQ Clean Edge U.S. Liquid Series Index Fund in NASDAQ is: QCLN.
As of July 2014, the market cap for First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index (GRID) is $12,965,124.09.
As of July 2014, the market cap for First Trust NASDAQ Clean Edge U.S. Liquid Series Index Fund (QCLN) is $126,097,539.10.
no it's not a preservative
Salt is a natural preservative.
Preservative is a noun.
Yes it is. lemon juice is a natural preservative
Preservative 220 is sulphur dioxide
Grasping it with your index finger in the hole in the middle and your thumb on the very edge of the DVD, or from one edge to the other is the best way to hold a DVD to maximize it's lifetime.
Vinegar would be the best preservative. You can also use a little bit of salt or even lemon as preservative. Sugar syrup can also be used as a preservative if you want your sauce to be sweet.