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RE: Wet ice? Dry ice? -- 濕冰?乾冰?

in #sciencepic7 years ago

Caution : Dry ice can be dangerous if your body gets in contact with it. You can play with it for a few seconds but if you try to do that for longer, your skin will be burnt

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Yes, thats true. We uave liquid nitrogen as well, which is as low as -196 deg C. Handling cryogenic substance have to be very causious.
(So as chemicals XD)

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