The concert order vindicator - jamming equipment
This kind of equipment is necessary, of course. In the process of the concert, if there is any noise is should not. Therefore, the concert organizers think it is necessary to keep order. So the organizers will use a device called
cell phone jammer. To prevent noise appeared in the process of the concert.
This kind of practice, of course, some people agree with others. No matter how based on respect for the artists, however, is very necessary to use the device
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