A nozzle, which is the snorkel, is then inserted in to the packaging materials. It pulls a vacuum and after that flushes the modified atmosphere in the offer. The nozzle is taken out as well as package is heat sealed. This method is suited to bulk and enormous functions.[eleven] https://liquidpackagingmachines71481.wikimillions.com/3814959/5_essential_elements_for_tray_sealing_machine