A professional degree is generally a college degree that allows you to work in a certain profession. There are some types of employment that are not open to people without a professional degree. professional degree is a particularly vacuous designation, one that is designed effectively to impress people in a society that holds official designations of all types to be mandatory for survival.
Definition of mist net. : a finely woven large mesh net erected to entangle and capture birds or bats in flight.
A water mist system is a fire protection system which uses very fine water sprays (i.e. water mist). The small water droplets allow the water mist to control, suppress or extinguish fires by: cooling both the flame and surrounding gases by evaporation; displacing oxygen by evaporation; attenuating radiant heat by the small droplets themselves