A nozzle, which happens to be the snorkel, is then inserted to the packaging product. It pulls a vacuum then flushes the modified atmosphere in the package. The nozzle is taken out as well as offer is heat sealed. This method is well suited for bulk and large operations.[11] https://www.linpack.com/news/top-technologies-linpack-uses-to-enhance-product-freshness-and-shelf-life