Standard Specification for Application of Portland Cement ...
3.2.17 metal plaster base—expanded metal lath, or welded or woven wire lath. 3.2.18 plaster—portland cement-based cementitious mix- ture (see stucco). 3.2.19 required—pertaining to a mandatory obligation im- posed by a force outside of this specification, such as a building code, project specification, contract, or purchase order.