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