A worker in plastic injection molding is skilled in operating and monitoring machines that produce plastic parts and products. They are trained to set up molds, adjust machine settings, and ensure that materials are loaded properly. Their skills include understanding mold temperature, pressure, and cycle time to maintain product quality. They also inspect finished products for defects, perform minor troubleshooting, and follow safety and quality standards. In addition, they may assist in machine maintenance, keep records of production, and work efficiently to meet daily output targets.