You can work in numerous fields that manufacture plastics or use plastic and polymers as the raw materials for the fabrication of components for assembly into finished products in other industries, such as the automotive, aerospace, or medical fields. These jobs include pouring plastics or another plastic polymer into molds, thermoforming, injection molding, and blow molding. Additionally, processing used plastics is an important part of the recycling industry. You can become an industrial machinery operator, a plastic engineer, or a technician who calibrates or repairs production and manufacturing equipment.