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Which vehicle is spelled the...

Which vehicle is spelled the same forwards and backwards?

Correct answers: 50

The first user who solved this task is Donya Sayah30.

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What stays in one corner bu...

Q: What stays in one corner but travels around the world?
A: A stamp.

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Bicycle tyre

In 1892, J. F. Palmer of Chicago, Ill., was granted the first bicycle tyre patent for a self-healing cord tyre design (U.S. No. 476,680). By designing the tread portion of the tyre to operate under compression, any puncture there would tend to close rather than open. It was the B.F. Goodrich Company of Akron, Ohio that began its manufacture the same year. This patent came about one year after the first pneumatic bicycle tyre was patented in the U.S.

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