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I think you need a laser pointer to add atmosphere on your performance. http://www.everyonetobuy.com/
Laser pointer or laser pen, also known as the star pen, the use of low-power visible laser allows users in the teaching, demonstration maximize the benefits of body language, so teaching, lectures and more vivid, more perfect, use the mouse to solve the previous meeting in the classroom and inconvenience, but also help amateur astronomers identify stars, will become an important technology issues and market opportunities.  |
>> Plan du Poubelle | suivi de la discussion | Tags : laser, more, teaching, use, pen, also, pointer, atmosphere, demonstration
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