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Seven Inventions Made So Well That They Never Needed To Be Improved, Item 1 / 7

Continuous improvement of household items and tools makes our life easier, simpler and more convenient. However, there is a small number of things that, despite the fact that since their invention has been more than 100, they are still preserved in its original form without improvements.

1. Barbed wire

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In the XIX century in the prairies of Oklahoma was quite difficult to make a fence for the protection of places of grazing cows. There is not enough wood to build fences. What to do? Four local boys in the late 1870s came up with the design of the fence, consisting of rare supporting pillars and stretched barbed wire between them. Barbed wire was patented and has since released is unchanged.
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