The internal features can be used for attaching {TAIL ~ parts} or components to the multi layer substrate, thereby securing {HEAD ~ the parts} or components to the multi layer substrate and thus the housing 
The internal features can be used for attaching { TAIL ~ parts } or components to the multi layer substrate , thereby securing { HEAD ~ the parts } or components to the multi layer substrate and thus the housing
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH