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Kelly Boswel

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Kelly Boswel

Laser Energy

What is laser energy? How is it formed?How can it be converted?Where does it come from? How can it be used? How expensive is it?
00:43 Sun 09th Jan 20054 answers, last by ziyasofi 08:17 Mon 26th Sep 2011
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Kelly Boswel

How does a leaf vacuum work

How does a leaf vacuum work?  My daughter is doing a project for class and needs to know in detail how a leaf vacuum works and any history you may have on it.
15:38 Mon 29th Nov 20041 answer, last by rja211077 12:34 Tue 30th Nov 2004
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Kelly Boswel

"How does a leaf vacuum work"

How does a leaf vacuum work?  My class is doing a project and I have to find the history of how a leaf vacuum works.
03:25 Mon 29th Nov 2004

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