When the plastic is strained into the die, water vacuuming takes place to cool simultaneously, ensuring the suitable form and measurement of the top product. It might be a cap used for the bottle, a cap on the camera lens, and so on. Irrespective of the kind or purpose, plastic caps have become the order of the day. Plastic is the least expensive crude material available out there today. Plastic is a highly economical material that is utilized in several types of applications.