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MACHINE TO PICK-UP BALLS:

This machine was invented after one of my tennis lessons last August: I realized I spent more time in picking up all the balls rather than in playing. Its main characteristics are:

Total weight:13 kg.
Pick-up speed: 750 balls/hour
Autonomy of operation: 5 hours
Can be disassembled and easily transported
It is able to collect balls on any surface.