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[DIY Machine]DIY coin brine generation
13 10-cent coins, 13 one-cent coins, and 13 pins, plus a cup of salt water can do? The answer: the ability to make a 1.5 volt battery! Pour the salt in various small grid about 3 / 4 full (as maps, can be directly used in the common refrig...
NEW:2009-03-30 17:31:33  View Content...