they are going to need more than 1 shovel :D
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Tommy Edison, who has been blind since birth, answers some of the most common questions about blindness on his you tube channel. TommyEdisonXP - YouTube
https://www.aulro.com/afvb/images/im...13/08/1560.jpg
Happened to me in the RRC. Went around a roundabout, and whooosh, off went the extinguisher. Mine was a full size unit in the back. Amazing how it robs you of oxygen so quickly. By the time I pulled out or the roundabout, pulled over on the side of the road, detached myself from the seat belt and made out the door, I was already starting to fade.
Who held the trigger on. Must have broken something. Better than a foam extinguisher and far better than a co2.