Thermoforming is a manufacturing process that involves heating a plastic sheet until it becomes pliable, then shaping it over a mold to create a specific form. Once the plastic cools and hardens, it retains the shape of the mold. This technique is commonly used to produce items like packaging, trays, and containers. The process typically involves several steps: heating the plastic, forming it over a mold, and trimming the excess material. Thermoforming is popular due to its efficiency and cost-effectiveness, making it suitable for both small and large production runs. It is widely used in industries such as food packaging and consumer products.