A nozzle, that is the snorkel, is then inserted in to the packaging content. It pulls a vacuum then flushes the modified atmosphere in the bundle. The nozzle is eliminated plus the bundle is heat sealed. This method is well suited for bulk and large functions.[11] Lower Maintenance Expenses: https://tray-sealing-machine66777.ktwiki.com/1210665/indicators_on_sauce_packaging_machines_you_should_know