But in metal-on-metal hips, either because of poor design or poor implant technique, the ball can sometimes press against the cup's edge.

但是，对于金属对金属介面人工髋关节来说，由于设计拙劣或者植入技术不良，球体有时可能会压迫到杯状杯臼的边缘。

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For now, the ICC have stopped short of employing the services of Hawkeye and the Snickometer - devices which suggest whether the ball has taken the edge of the bat or hit the pad - as they are not deemed factual.

BBC: Umpires enter new era

The ball typically deflects off the edge of the bat or the glove, off the batsman's pads, and into the hands of a nearby fielder.

WSJ: Why Test Cricket Is All In a Spin

It was a more comfortable save for the goalkeeper when a Swanson through ball deflected into the path of Buaben, who was unable to put enough bend or power on the ball to find the inside of the far post from the edge of the box.

BBC: Sport - Football - Dundee United 2-2 Motherwell