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Old 30th Jul 2008, 18:42
  #752 (permalink)  
Litebulbs
 
Join Date: Oct 2001
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On a ring system, each mask has its individual pin, that when pulled, releases flow to that mask. On a generator system, all 2/3/4 masks are connected to 1 pin that when pulled, activates the generator to supply O2 to all the masks connected to it.
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