| 摘要 |
The game is played on a pocket-less cannon billiards table. When not in use, the balls are placed in receptacles, where their weight or volume displace devices known as 'vogelpieken'. - The timer starts when any of the balls is removed from its receptacle. When the time purchased for the game expires, the timer operates an alarm. The application contains no details of the construction or operation of the timer.
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