MEC 113 CHAP 15 True/False Indicate whether the statement is true or false. ____ 1. The eight basic plastic-forming processes can be grouped under one of the following manufacturing processes: casting or extrusion. ____ 2. One of the advantages of plastics is that there is normally no scrap generated because runners can be ground up and reused. ____ 3. In the plastics industry, a two-piece die is often used in injection molding. ____ 4. Cores of partially cured resin with reinforcement are known as prepregs. ____ 5. The process of pultrusion is similar to extrusion, but pultrusion involves pulling the material through a chilled mandrel