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2. Materials for use in vacuum - Wikipedia

   en.wikipedia.org/wiki/Materials_for_use_in_vacuum

   Aluminium bronze is a material that looks and machines similar to brass. It is not susceptible to galling, which makes it suitable for sliding fits against stainless steel. Nickel is widely used in vacuum technology, e.g. as mechanical parts in vacuum tubes. It is relatively low-cost, can be spot welded, can be easily machined, has high melting ...

3. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   The lid is then opened and the product removed. Automatic belt vacuum chamber machines are typically used for high-speed packaging of large items, and also have the capability to vacuum seal liquids. The lid generally travels straight up and down. Automatic belt vacuum chamber packaging machines are commonly used for: Fresh meat (large portions)

4. Our Cleaning Lab Pros Only Recommend These 7 Black ... - AOL

   www.aol.com/cleaning-lab-pros-only-recommend...

   $259.00 at amazon.com. More than 20,000 shoppers purchased this best-selling iRobot vacuum last month. It's rare to find a Roomba for under $200, so this is a steal.And don't let the lower price ...

5. The best Dutch ovens of 2025, tested by AOL

   www.aol.com/lifestyle/best-dutch-ovens-190855583...

   Cooking Performance: The best Dutch ovens excel at a wide range of cooking tasks, from braising meat to baking bread. To test each pot’s cooking abilities, we used it for three key tasks: high ...

6. Vacuum chamber - Wikipedia

   en.wikipedia.org/wiki/Vacuum_chamber

   A large vacuum chamber. A small vacuum chamber for studio or lab use in de-airing materials such as mold rubbers and resins. Vacuum chamber for testing leaks in packaging. A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. This results in a low-pressure environment within the chamber, commonly ...

7. 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.