Ensure that the plunge lock lever (r) is locked.

确认垂直可调底座的升降锁定杆为锁定状态。

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The utility model has a lock lever structure, and the fishing rod can conveniently realize self locking when acted by an external force.

本实用新型带有锁竿结构，鱼竿受到外力作用即可方便实现自锁。

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Unlock the plunge mechanism by pushing up the plunge lock lever (R). Plunge the router down as far as it will go, allowing the bit to just touch the workpiece.

向上推垂直调节锁定杆（R）松开垂直调节系统，将雕刻机本体向下压到底，使刀头刚好接触到工件表面。

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Mr Ash said it was possible he did not lock a reversing lever into place, which could have prevented the locomotive from slipping between forward and reverse.

BBC: North Yorkshire Moors Railway guard crushed by train

Mr Ash, a retired professional train driver with more than 50 years' experience, said it was possible he did not lock a reversing lever into place, which could have allowed the locomotive to slip between forward and reverse.

BBC: North Yorkshire Moors Railway death: Family to sue

Chris Hall, of the Rail Accident Investigation Board, said that Mr Lund would have had "no reason to believe" the train would change direction, which was most likely caused by the driver forgetting to lock the reverse lever.

BBC: North Yorkshire Moors Railway death: Family to sue