Since {HEAD ~ the internal structure} is manufactured separately from {TAIL ~ the filter pack} and inflator assembly, its shape and material can be easily modified as required 
is manufactured separately from
Since { HEAD ~ the internal structure } is manufactured separately from { TAIL ~ the filter pack } and inflator assembly , its shape and material can be easily modified as required
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH