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2. Double seam - Wikipedia

   en.wikipedia.org/wiki/Double_seam

   A double seam is a canning process for sealing a tin can by mechanically interlocking the can body and a can end (or lid). Originally, the can end was soldered or welded onto the can body after the can was filled. [1] However, this introduced a variety of issues, such as foreign contaminants (including lead and other harmful heavy metals).

3. Steel and tin cans - Wikipedia

   en.wikipedia.org/wiki/Steel_and_tin_cans

   Some cans, such as those used for sardines, have a specially scored lid so that the user can break out the metal by the leverage of winding it around a slotted twist-key. Until the mid-20th century, some sardine tins had solder-attached lids, and the twist-key worked by forcing the solder joint apart.

4. History of bottle recycling in the United States - Wikipedia

   en.wikipedia.org/wiki/History_of_bottle...

   The beer industry was the first to switch to non-returnable containers, which proved difficult at first, because pressure in the can could not release and the metal changed the taste. [2] The first firm to successfully introduce cans was the Gottfried Krueger Brewing Company of Newark, New Jersey in 1935. [2]

5. Food packaging - Wikipedia

   en.wikipedia.org/wiki/Food_packaging

   Coatings, whether organic or inorganic, may lessen the interactions between metal and food. However, it was discovered that many of the chemicals in these coatings migrated into food. The end-of-life alternatives for metal food packaging differ depending on its usage: for example cans and lids can be broken down and recycled multiple times. [33]

6. Drink can - Wikipedia

   en.wikipedia.org/wiki/Drink_can

   A drink can (or beverage can) is a metal container with a polymer interior designed to hold a fixed portion of liquid such as carbonated soft drinks, alcoholic drinks, fruit juices, teas, herbal teas, energy drinks, etc. Drink cans exteriors are made of aluminum (75% of worldwide production) [1] or tin-plated steel (25% worldwide production ...

7. Starbucks promotes recycling to customers but many plastic ...

   www.aol.com/starbucks-promotes-recycling...

   Starbucks cups are made out of polypropylene, or No. 5 plastic, and Landers told CBS News that these cups are designed to be recyclable and there are facilities that do this in the U.S. CBS News ...