An airbag is stored in {HEAD ~ a folded state} in {TAIL ~ the airbag housing} so that the weakened portion is broken upon inflation 
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An airbag is stored in { HEAD ~ a folded state } in { TAIL ~ the airbag housing } so that the weakened portion is broken upon inflation
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH