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Duration: 01:24 minutes Upload Time: 2007-07-28 13:16:26 User: paxout :::: Favorites :::: Top Videos of Day |
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Description: Shows three different light bulbs and compares their energy efficiency. The three are {Edison incandescent light bulb, CFL (compact florescent light) and LED (Light Emitting Diode)} as possible options. |
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| 1George2 ::: Favorites waste of time 07-10-13 08:02:11 __________________________________________________ | |
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