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SmartSign 10 x 7 inch “Caution - Beyond This Point: Radio-Frequency Fields May Exceed FCC Rules for Human Exposure” ANSI Metal Sign, 40 mil Laminated Rustproof Aluminum, Yellow, Black and White: Amazon.com:
![Construction safety group aims to raise awareness of RF radiation exposure | 2016-10-12 | Safety+Health Construction safety group aims to raise awareness of RF radiation exposure | 2016-10-12 | Safety+Health](https://www.safetyandhealthmagazine.com/ext/resources/images/news/construction/Radio-Frequency-High-Level-Warning-Sign.jpg?1476292490)
Construction safety group aims to raise awareness of RF radiation exposure | 2016-10-12 | Safety+Health
![Exposure to radio-frequency electromagnetic waves alters acetylcholinesterase gene expression, exploratory and motor coordination-linked behaviour in male rats - ScienceDirect Exposure to radio-frequency electromagnetic waves alters acetylcholinesterase gene expression, exploratory and motor coordination-linked behaviour in male rats - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S221475001730063X-fx1.jpg)
Exposure to radio-frequency electromagnetic waves alters acetylcholinesterase gene expression, exploratory and motor coordination-linked behaviour in male rats - ScienceDirect
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SmartSign "Warning - Radio Frequency Field, Site Exceed FCC Rules For Human Exposure" Sign | 10" x 14" Aluminum: Amazon.com: Industrial & Scientific
![SmartSign "Warning - Radio Frequency Field, Site Exceed FCC Rules For Human Exposure" Sign | 10" x 14" Aluminum: Amazon.com: Industrial & Scientific SmartSign "Warning - Radio Frequency Field, Site Exceed FCC Rules For Human Exposure" Sign | 10" x 14" Aluminum: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71j8vA0MfVL._AC_SY606_.jpg)