Because you can cause a fire. Metal does not absorb the energy microwaves as water in food does. Eventually this reflected energy can set the microwave on fire.
2006-07-30 16:19:05
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answer #1
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answered by QuietFire 5
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Metal reflects microwave energy, which will generate sparks when it strikes certain metal objects.
2006-07-30 16:14:44
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answer #2
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answered by cyberlegend1994 4
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metal reflects microwaves, which could cause sparking and fires, or could damage the source.
2006-07-30 16:32:57
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answer #3
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answered by mike i 4
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They cause sparks and can damage the microwave.
2006-07-30 16:15:52
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answer #4
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answered by rltouhe 6
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metal reflects microwaves and the metal can arc and catch fire
2006-07-30 17:22:00
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answer #5
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answered by Anonymous
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they will melt
2006-07-30 16:14:15
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answer #6
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answered by dll_duran 2
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We don't???
2006-07-30 16:14:16
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answer #7
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answered by redchili68 4
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FIRE!!!!!! lol
2006-07-30 16:15:06
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answer #8
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answered by justmeagain 3
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