It can increase the hole inclination Angle range and drill elevation Angle holes, while setting the top drive power head and hole top plate toward the opposite direction.

动力头及孔口板调转方向，可直接钻凿仰孔，大大增加钻孔倾角范围。

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Your Wilson Pro H22 tennis racquet quickly became a drying rack for your underwear once you found out that the college tennis team was filled with power-hitting recruits from Estonia and the Ukraine who could knock a flash drive off the top of your head with a backhand.

WSJ: Rob LaZebnik's Message for the Class of 2013 | Saturday Essay