Opener Meaning In Urdu

Opener Meaning in Urdu

Opener

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Opener Meaning In Urdu with Detail

A can opener (in North American English and Australian English) or tin opener (sometimes used in British English) is a mechanical device used to open tin cans (metal cans). Although preservation of food using tin cans had been practiced since at least 1772 in the Netherlands, the first can openers were not patented until 1855 in England and 1858 in the United States. These early openers were basically variations of a knife, though the 1855 design continues to be produced. The first can opener, consisting of the now familiar sharp rotating cutting wheel that runs round the can's rim to cut open the lid, was invented in 1870, but was considered very difficult to operate for the ordinary consumer.

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