Comment hi (Score -1, Offtopic) 445
And otherr refridgerants like R-134a can also form deadly compounts when the degrade, but since they are in a closed system they can be used. I don't think the researchers anticipated tha eventuality that somone would open up one of thier units and drink the liquid inside.
http://latestnewscheck.blogspot.com/2010/06/tel-launches-suns-world-cup-song-from.html