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.
Rotate your forearm so your hand faces up, and then turn it the other way so your hand is facing down. Wrist deviation. Place your forearm on a table, with your hand hanging off and padding under your wrist. Have your thumb facing up, and move your hand up and down, as if youâre waving.