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  2. These Are the Easiest Ways to Open a Jar When It's Stuck - AOL

    www.aol.com/easiest-ways-open-jar-stuck...

    Place the jar on the counter and try easing the tip of a butter knife between the jar and the lid. This will create a wedge to help pop the seal. Once it's in there, give the lid a twist to help ...

  3. How to easily open a stuck jar - AOL

    www.aol.com/news/2015-04-17-how-to-easily-open-a...

    You might try to pry a jar open with a knife or run it under hot water, but there's actually much simpler way to open a stuck jar lid. Using the handle of a butter knife, simply tap four times ...

  4. Hermetic seal - Wikipedia

    en.wikipedia.org/wiki/Hermetic_seal

    A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers but, as technology advanced, it applied to a larger category of materials, including metals, rubber, and plastics. Hermetic seals are essential to the correct ...

  5. Can’t Open Your Items? This Handy Jar Opener Works ... - AOL

    www.aol.com/entertainment/t-open-items-handy-jar...

    The classic frustration of being unable to open up a jar has occurred to many of Us in the kitchen. Sometimes we get lucky by swiftly slapping the object on the bottom, but even that can’t shake ...

  6. Vacuum packing - Wikipedia

    en.wikipedia.org/wiki/Vacuum_packing

    The intent of vacuum packing is usually to remove oxygen from the container to extend the shelf life of foods and, with flexible package forms, to reduce the volume of the contents and package. [2] Vacuum packing reduces atmospheric oxygen, limiting the growth of aerobic bacteria or fungi, and preventing the evaporation of volatile components.

  7. Stopper (plug) - Wikipedia

    en.wikipedia.org/wiki/Stopper_(plug)

    With tubing inserted into the hole(s), when the tube is heated, water vapor will rise through the hole, make its way through the tubing, and into the collection chamber of choice. The water vapor would not be able to escape into the air, because the stopper and the tubing, if set up correctly, would be airtight. [citation needed]