is a trade name for a class of chemicals (known as Chlorofluorocarbons or CFC's) used as a refrigerant in air conditioning systems. Freon is a gas at room temperature and a liquid when cooled or compressed. Freon gas is colorless, non-flammable and relatively odorless. Some Freons have an ether-like odor.
How should I take my forearm circumference measurement? In order to take your forearm circumference measurement, you should tense your arm muscle and measure around the thickest part of your forearm, as pictured.
How to Measure Your Body: Sleeve Length. Place one end of the measuring tape at the base of the center of the back of the neck. Run the measuring tape over your shoulder, and let it hang down to your hand. Measure to the center of the meaty part of your palm. Do not adjust for shrinkage.