A nozzle, which can be the snorkel, is then inserted into the packaging material. It pulls a vacuum after which flushes the modified atmosphere in to the bundle. The nozzle is taken off and the package deal is heat sealed. This process is appropriate for bulk and large operations.[11] https://dominicklxrft.wikiusnews.com/1244283/the_smart_trick_of_premade_food_packaging_machines_that_no_one_is_discussing