A nozzle, which can be the snorkel, is then inserted into your packaging material. It pulls a vacuum then flushes the modified atmosphere in to the deal. The nozzle is eradicated and the package deal is heat sealed. This process is suitable for bulk and large functions.[11] Polar One https://eduardohjkkj.buscawiki.com/1293446/tray_sealing_machine_for_dummies