The housing can be formed from a substrate having {HEAD ~ perforations} to assist in adhering {TAIL ~ components} internal to the housing 
The housing can be formed from a substrate having { HEAD ~ perforations } to assist in adhering { TAIL ~ components } internal to the housing
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH