The kinematic factors of conventional sheave wheel mechanisms are limited to a small number of magnitudes. Duing the start up and stoppage of sheave wheels there exists a certain amount of shock.

普通槽轮机构的运动系数仅为有限几个数值，槽轮起动和停止时刻存在一定的冲击。

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But the 30-year-old is best known for a shock stoppage win against Harrison's long-term rival and current British champion Danny Williams in 2008.

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Since many goods cannot efficiently be moved by air, a long stoppage would have meant a huge supply shock.

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