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Unformatted text preview: fence. The pillar parallel to the sideline is in contact with the ground. When this pillar goes up and down parallel to the baseline, all the balls get moved to the fence parallel to the sideline. Thus, all the balls are in two general locations, one on each side of the net. 11). Spring Based Ball Collecting Apparatus : This device is installed on one half of the tennis court. When the ball hits this device, it is forced back towards the net. So wherever on the court this device is installed, no balls will be on the other side of it. However, this device is hard to install and it only reduces the size of the court on which one has to pick up the balls. 12). Baseline Sliding Ball Collector : This device is installed on the fence parallel to the baseline. The device slides on the rail and if any ball is on the rail, then this device forces the ball into a basket....
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This note was uploaded on 08/03/2011 for the course ECON 101 taught by Professor Profeessor during the Spring '11 term at Aachen University of Applied Sciences.
- Spring '11