Before revision: Staff is chiefly made of powdered gypsum or plaster of Paris, with a little cement, glycerin, and dextrin, mixed with water until it is about as thick as molasses, when staff is cast in molds it can form any shape.
After revision: A staff facade from the 1904 World's Fair, the entrance to an exhibition hallStaff is chiefly made of powdered gypsum or plaster of Paris, with a little cement, glycerin, and dextrin, mixed with water until it is about as thick as molasses, when staff is cast in molds it can form any shape.