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Additional fire precaution to avoid death


This is a simple questionnaire about oxygen mask to be added to the fire prevention system such as sprinkler and fire extinguisher. But this product is more to help people escape without inhaling carbon monoxide while escaping from fire.


https://goo.gl/forms/YPQZudM6R3pqIp8g2

Asked by trivalxx Jul.24.2018

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