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2. Bell jar - Wikipedia

   en.wikipedia.org/wiki/Bell_jar

   A vacuum bell jar is placed on a base which is vented to a hose fitting, that can be connected via a hose to a vacuum pump. A vacuum is formed by pumping the air out of the bell jar. The lower edge of a vacuum bell jar forms a flange of heavy glass, ground smooth on the bottom for better contact. The base of the jar is equally heavy and flattened.

3. McIntosh and Fildes' anaerobic jar - Wikipedia

   en.wikipedia.org/wiki/McIntosh_and_Fildes...

   The jar, about 20 by 12.5 inches (510 mm × 320 mm) is made of metal. Its parts are as follows: The body made up of metal (airtight) The lid, also metal can be placed in an airtight fashion; A screw going through a curved metal strip to secure and hold the lid in place; A thermometer to measuring the internal temperature

4. Respirometry - Wikipedia

   en.wikipedia.org/wiki/Respirometry

   Respirometry depends on a "what goes in must come out" principle. [6] Consider a closed system first. Imagine that we place a mouse into an air-tight container. The air sealed in the container initially contains the same composition and proportions of gases that were present in the room: 20.95% O 2, 0.04% CO 2, water vapor (the exact amount depends on air temperature, see dew point), 78% ...

5. 39 Household Hacks That Will Save Your Life This Holiday Season

   www.aol.com/lifestyle/39-household-hacks-save...

   7. Repurpose glass jars. Glass jars from honey, jam, salsa or other condiments can be washed and reused as food containers. Clean the jars really well, and then soak them in hot water to remove ...

6. Mason jar - Wikipedia

   en.wikipedia.org/wiki/Mason_jar

   John Landis Mason, inventor of the Mason jar. In 1858, a Vineland, New Jersey, tinsmith named John Landis Mason (1832–1902) invented and patented a screw threaded glass jar or bottle that became known as the Mason jar (U.S. Patent No. 22,186.) [1] [2] From 1857, when it was first patented, to the present, Mason jars have had hundreds of variations in shape and cap design. [8]

7. You can find huge savings in Amazon's secret overstock ... - AOL

   www.aol.com/lifestyle/you-can-find-huge-savings...

   Since they're made of borosilicate glass, the containers are dishwasher-, oven- and microwave-safe (just not the lids), and their airtight silicone seals help prevent leaks. $42 at Amazon Amazon