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Affichage des articles dont le libellé est watts. Afficher tous les articles
Affichage des articles dont le libellé est watts. Afficher tous les articles

How many watts does that light bulb REALLY use?

http://www.bernardotech.org Bernardo takes a look at the power consumption of three different light bulbs to see if the numbers match what is on the package.
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Time:05:58More inScience & Technology

 
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