seal

Isaac Kremer/ September 9, 2018/ / 0 comments

To apply an inner wall surface, as of plaster or matched boarding. 2. The water head in a plumbing trap. 3. An embossing stamp used by a licensed architect, engineer, or other design professional on contract drawings and specifications to show evidence of registration in the state where the work is to be performed. (Saylor, 1952)