{HEAD ~ Method} of controlling {TAIL ~ the inflation} of an airbag and airbag accident protection device 
of controlling
{ HEAD ~ Method } of controlling { TAIL ~ the inflation } of an airbag and airbag accident protection device
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH