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