<iframe width="580" height="385" src="https://www.youtube.com/embed/-SkiNiZCf7E" frameborder="0" allowfullscreen></iframe> <br>I have been asked many times if it is safe to use a propane, or any type of combustible fuel heater indoors. Well, I used an MSA ... <br><a href="https://www.youtube.com/watch?v=-SkiNiZCf7E">source</a>
