The vacuum sealing process generates a wonderfully airtight seal around the new food and new gas atmosphere, that means that the food won't be vulnerable to exterior contaminants, oxygen molecules, or microorganisms after it’s sealed. Incepted inside the confines of a modest garage in Böhen in 1961, MULTIVAC Team https://www.linpack.com/news/innovative-features-of-advanced-pouch-packaging-machines-explained