Matching Pairs A description of process.Online version Match each stage a-f below to the correct picture. by Ericka Abigail RodrÃguez Muñoz 1 2 3 4 5 6 Plastic products are made from the pellets. Pellets are sent to companies. The polymer is made into small balls called pellets. Oil is extracted from the ground. The oil is processed at a refinery. Ethylene and propylene are produced. Ethylene and propylene are heated to make a polymer.