DID YOU KNOW?
Tin cans are often described as 'hermetically sealed'.
The word hermetic comes from Hermes Trismegitus, the Egyptian god Thoth, who is reputed to have invented a magic seal that keeps a vessel airtight.
Thje hermetically sealed can was invented in 1810 by a British merchant Peter Durand. His cans were so thick they had to be hammered open! An Englishman, Thamas Kensett patented the process in 1825 and in America more than a century later in 1957, the first aluminium can appeared.
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