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.
Follow us | Email: Password: x Login | Register | My Cart (0) 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.
Arteries near the surface of the skin can be used to measure one aspect of the functioning of the circulatory system--blood pressure. Blood pressure is measured by wrapping the cuff of an instrument called a sphygmomanometer around the arm just above the elbow.