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2. Food storage container - Wikipedia

   en.wikipedia.org/wiki/Food_storage_container

   Smaller quantities of food were stored in baskets made from woven grasses or leaves and such designs have remained in use to the present day. In Afghanistan, rural farmers have for hundreds of years maintained a technique of storing fresh grapes in mud-straw containers called kangina .

3. String bag - Wikipedia

   en.wikipedia.org/wiki/String_bag

   String shopping bag Oranges packed in net bags. A string bag, net bag, or mesh bag is an open netted bag. Mesh bags are constructed from strands, yarns, or non-woven synthetic material into a net-like structure. String bags are used as reusable shopping bags [1] and as packaging for produce. [2]

4. Materials for use in vacuum - Wikipedia

   en.wikipedia.org/wiki/Materials_for_use_in_vacuum

   304 stainless steel is a common choice of a stainless steel. 304L stainless steel, a low-carbon variant of 304 steel, is used for ultra-high vacuum systems. 316L stainless steel a low-carbon and low-magnetic stainless steel, used in accelerator technologies. 347 stainless steel does not accept high polish. 321 stainless steel is chosen when low ...

5. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   External vacuum sealers involve a bag being attached to the vacuum-sealing machine externally. The machine will remove the air and seal the bag, which is all done outside the machine. A heat sealer is often used to seal the pack. Typically these units use a dry piston vacuum pump which is often considered a "maintenance-free" pump.

6. Stainless steel - Wikipedia

   en.wikipedia.org/wiki/Stainless_steel

   Stainless steel, also known as inox, corrosion-resistant steel (CRES), and rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5%, or more, chromium content which forms a passive film that can protect the material ...

7. Ultrasonic machining - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_machining

   Ultrasonic machining is a subtractive manufacturing process that removes material from the surface of a part through high frequency, low amplitude vibrations of a tool against the material surface in the presence of fine abrasive particles.

8. Court orders Biden admin to stop selling border wall ... - AOL

   www.aol.com/news/court-orders-biden-admin-stop...

   Trump said the auctions would cost taxpayers hundreds of millions of dollars to re-purchase the large steel bollards and concrete. He called on President Biden to "please stop selling the wall ...

9. Vacuum flask - Wikipedia

   en.wikipedia.org/wiki/Vacuum_flask

   A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that slows the speed at which its contents change in temperature. It greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings by trying to be as adiabatic as possible.