The aim of it is the problem of screw twisting, nail pulling and screw twisting and ice plane.

其目的是拧螺丝、起钉子、拧螺钉、刨冰的问题。

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The utility model has a simple structure, safe and reliable operation, and realizes the nail pulling automation without need to drive by human power.

本实用新型结构简单、操作安全、可靠，不用人力驱动，实现起钉自动化。

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Then he told his son to go back to the fence and start pulling out one nail each day that he continued controlling his temper.

然后他告诉儿子，他每继续控制自己的脾气一天就从栅栏上拔一颗钉子出来。

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Finally, there's the prospect of Microsoft pulling in News Corp. into the fray to help it nail down Yahoo!

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