This dryer machine realizes zero-horizontal thrust, which greatly reduces the abrasion of the riding wheel and the catch wheel and makes the rotation of the cylinder stable and reliable.

干燥机实现了“零水平推力”，大大减少了挡托轮的磨损，筒体运转平稳可靠。

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The concept is simple: the cheese is rolled down a hill and runners attempt to catch it, which is no mean feat as the wheel can reach speeds of up to 70mph.

BBC: The UK��s highly unusual athletic games