Injection molding consists of forcing a heated (molten) thermoplastic into a cooled mold. Short shots are a problem with injection molding. When this occurs, the polymer solidifies before completely filling the mold, creating incomplete parts. One way that short shots have been prevented is to forcing the material through a smaller gate (narrower diameter entrance to the mold). In fact, so-called pin gates (very small orifices at the mold entrance) seem very effective at this. A. Explain why this method