Use Retin-A exactly as your doctor has prescribed it for you. Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended. Do not take by mouth. Retin-A is for use only on the skin.
Definition of wall for English Language Learners : a structure of brick, stone, etc., that surrounds an area or separates one area from another : the structure that forms the side of a room or building
Faron A. Morris. Also known as cladding or building faÃ§ade, curtain wall is the skin of. a building; its primary function is as separator or boundary between. interior and outdoor environments. Curtain wall is light compared with. other faÃ§ades such as masonry and precast, and its name derives from the.