Quote: (Originally Posted by
Drmike)

so after designing and building you own unit you then instruct the instructor how it works in order for him to instruct you how to use it....

You do have to wonder why anyone who didn't know how to use a rebreather would build one.
I suppose the Wright brothers had a similar conversation...
"Look we've invented the aeroplane"
"Great, what are you going to do with it?"
"Er..."
"Twat."
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