Pneumatic valve position according to their channels can be divided into straight-through, three-and right-angle type.

气动球阀按其通道位置可分为直通式，三通式和直角式。

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It may take a little practice at first as you need to find the Angle and position that is right for you.

刚开始使用时可能需要一点实践，找到合适的角度和正确的位置。

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If you throw the ball before the car's at a right Angle to your position, you're throwing the ball INTO the car and it hits with force.

如果你在车开到与你垂直的方向之前将网球投向车，你就可以将球投进车里且投球有力。

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Finally, the 10 o'clock position is a toggle for adjusting the angle of the left and right, front or rear speakers.

ENGADGET: Turtle Beach XP Seven Series headset review: a new era of tournament-grade gaming audio

Unfortunately, tragedy can strike with as simple an act as brushing one's elbow across the table, and that's all it took for me to knock my smartphone right onto a hard surface -- facedown in a perfectly horizontal position (the worst imaginable angle).

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