Invisible ink outline
Invisible ink__ heat activated __ organic liquid __ hidden message __ exposed ___ chemical reactions___ ultraviolet ink___ vinegar ____ juice __ Disappearing ink___ candle ___ 100 watt bulb lights___ chemically substances.
Invisible ink__ heat activated __ organic liquid __ hidden message __ exposed ___ chemical reactions___ ultraviolet ink___ vinegar ____ juice __ Disappearing ink___ candle ___ 100 watt bulb lights___ chemically substances.
Commendable Job!! Keep up.
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