Gas injection is a process used in various industries, including oil and gas, to enhance the extraction of resources. In this method, gases such as carbon dioxide or natural gas are injected into underground reservoirs. This helps to increase pressure and push out more oil or gas, making extraction more efficient. In addition to resource extraction, gas injection is also used in food preservation and packaging. By injecting gases like nitrogen or carbon dioxide into food packages, the growth of bacteria and spoilage is slowed down, extending the shelf life of products. This technique is essential for maintaining food quality during storage and transport.