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| Heating water to boil with microwave oven have to be careful. There is a possibility of "super heating". When the container and the water are both very clean and there is not much dissolved air in water, it could be heated to temperature above boiling point without boiling. A slight disturbance to the super heated water could cause it to boil violently, almost like explosion. Since most American household uses dish washer that left a bit of residue in their cup, super heating seldom happen. With a bit of experience, energy setting and heating time could be selected to achieve desired heating with a microwave rather conveniently. ...
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