Placing a pattern half on the base plate. positioning the bottom box. Filling with sand. turning the bottom box. Positioning and wedging the top box. Inserting the second half of the pattern, the rising gate and the runner gate. Filling with sand. Removal of the model halves, the rising gate and the runner gate. Insertion of the core and positioning of the top box. Casting. Appearance of the finished workpiece with runner and riser. Removal of the core. Appearance of the finished workpiece.