A nozzle, that is the snorkel, is then inserted in the packaging materials. It pulls a vacuum and then flushes the modified atmosphere in to the bundle. The nozzle is taken out along with the offer is heat sealed. This process is well suited for bulk and large functions.[eleven] https://www.linpack.com/news/top-technologies-linpack-uses-to-enhance-product-freshness-and-shelf-life