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2. Self-heating food packaging - Wikipedia

   en.wikipedia.org/wiki/Self-heating_food_packaging

   Self-heating rice with quicklime and water as heating source, taken before adding water to quicklime. The source of the heat for the self-heated can is an exothermic reaction that the user initiates by pressing on the bottom of the can.

3. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   Sealed food alongside a home vacuum sealer and plastic rolls used for sealing. Vacuum packing is a method of packaging that removes air from the package prior to sealing. . This method involves placing items in a plastic film package, removing air from inside and sealing the packag

4. Home canning - Wikipedia

   en.wikipedia.org/wiki/Home_canning

   Home canning or bottling, also known colloquially as putting up or processing, is the process of preserving foods, in particular, fruits, vegetables, and meats, by packing them into glass jars and then heating the jars to create a vacuum seal and kill the organisms that would create spoilage.

5. Out of the Attic: Canning tongs protected hands from too-hot ...

   www.aol.com/news/attic-canning-tongs-protected...

   The tongs allow the user to reach in and safely lift the hot jar out and set aside to cool. To create the seal, most canners will use one of two methods: Immersing jars in a pressure canner or a ...

6. Canning - Wikipedia

   en.wikipedia.org/wiki/Canning

   Canning is a method of food preservation in which food is processed and sealed in an airtight container (jars like Mason jars, and steel and tin cans). Canning provides a shelf life that typically ranges from one to five years, [ a ] although under specific circumstances, it can be much longer. [ 2 ]

7. Food storage container - Wikipedia

   en.wikipedia.org/wiki/Food_storage_container

   See Canning. Refrigerator. Perhaps the most ubiquitous domestic item of food storage is the fridge or fridge-freezer in which a wide variety of foodstuffs are contained and preserved through the use of low temperatures. Disposable. Disposable food containers, a form of disposable food packaging, may be used for food or beverages.