Poison sumac, Toxicodendron vernix, is related to the poison ivies and poison oaks, not to the other sumacs. It is relatively rare, compared to the other members of the family.
Definition of taproom in US English - a room in which alcoholic drinks, especially beer, are available on tap; a bar in a hotel or inn. Definition of taproom in US English - a room in which alcoholic drinks, especially beer, are available on tap; a bar in a hotel or inn.
Senior Scientist, Staples Inc. A cleanroom is a controlled environment where products are manufactured. It is a room in which the concentration of airborne particles is controlled to specified limits. Eliminating sub-micron airborne contamination is really a process of control. These contaminants are generated by people, process, facilities and equipment.