Sentence:  If a lime plaster finish is required for covering lath work, it will be necessary to <WSD>prick up</WSD> the first coat with 3 parts of sand to 1 of lime, and to every 3 cubic feet of the mixture 1 lb. of well-beaten hair is added. 
Meaning of the word marked with <WSD> tags:  To apply an undercoat of plaster in order to create a smooth surface for the final coat.