If the gear reducer requires emergent shutdown due to its accident, first do troubleshooting and address it.

如果因为减速机事故造成减速机紧急停止运行，应立即查明故障原因并进行解决。

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Clearly, these statistics indicate that by investing in high-quality protective gear and reflective equipment, roller skaters will greatly reduce their risk of being severely injured in an accident.

显然，这些统计数据表明，如果使用了高质量的防护服和反光设备，溜冰者在事故中受重伤的风险将显著降低。

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Accident and emergency medics say lives are put at risk because riders do not have to wear protective gear - despite the fact the bikes can reach 90mph.

BBC: Quad bike helmet call by doctors