Surgicel is a hemostatic agent (blood-clot-inducing material) made of an oxidized cellulose polymer (the unit is polyanhydroglucuronic acid), manufactured by the Ethicon subsidiary of Johnson And Johnson. It was introduced into clinical practice in 1947. It is used to control post-surgical bleeding.
Multi Stage: (More than one level of heating or cooling) Multi Stage heating means that you have two levels of heat in your home. You will perhaps have a furnace and another method of heat like a solar panel. The second level of heat is commonly referred to as an emergency heat setting.
There are two types of cooling systems: (i) Air cooling system and. (ii) Water-cooling system. AIR COOLING SYSTEM. In this type of cooling system, the heat, which is conducted to the outer parts of the engine, is radiated and. conducted away by the stream of air, which is obtained from the atmosphere.