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.
Totally Enclosed Fan Cooled (TEFC) â A frame-surface cooled motor equipped for self exterior cooling by means of a fan or fans integral with the motor but external to the enclosing parts. Totally Enclosed Non-ventilated (TENV) â A frame-surface cooled motor which is only equipped for cooling by free convection.