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TECHNOLOGY & SAFETY 1. Is FIR a harmful form of radiation? Will use the Personal Sauna cause any side effects? The most basic and crucial difference between far infrared rays (FIR) and harmful rays is that virtually all
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Document Date: 2015-12-08 00:24:46
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TECHNOLOGY & SAFETY 1. Is FIR a harmful form of radiation? Will use the Personal Sauna cause any side effects? The most basic and crucial difference between far infrared rays (FIR) and harmful rays is that virtually all