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- Aug 19, 2015
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I don't know about CO2 laser. Some question I want to ask...
1. CO2 laser company said nerver reverse polarity, but what happen if I reverse it?
2. If I don't use it long or just start a monent, is cooling really necessary?
1. CO2 laser company said nerver reverse polarity, but what happen if I reverse it?
2. If I don't use it long or just start a monent, is cooling really necessary?