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