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Alex looked at an electric toothbrush that had a plug with three metal prongs. Why are these prongs made out of metal?
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Alex looked at an electric toothbrush that had a plug with three metal prongs. Why are these prongs made out of metal?
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Jan 25, 2020
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Alex looked at an electric toothbrush that had a plug with three metal prongs. Why are these prongs made out of metal?
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Ntki
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To conduct electricity
Arcayne
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Jan 31, 2020
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Arcayne
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