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