The tooth shaper can automatically displace, shape teeth and exchange tools, to reduce the accident of hand-operation.

该攻牙机可自动进行位移、攻牙及换刀的动作，可以降低 人工操作的危险性。

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Thee adoption of double-hand operation ensures safety for operators.

采用双手操作开关，保证操作员工的安全性。 。

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One hand operation, takes less than 20 seconds.

单手操作，整个工作只需不到20秒。

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He's extended the hand of co-operation to the two new Labour leaders, Alan Rhodes and Derbyshire's Anne Western.

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Yet if they are failing to tackle deep-seated problems across the province, such as segregation in housing and education, they are leading by example: their political co-operation has gone hand in hand with remarkably improved personal relations.

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Sullivan said he had to lie on top of Bradley and, though right-handed, had to use his left hand for the operation.

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