The enclosure includes {TAIL ~ a bottom wall} and {HEAD ~ a side wall} extending from the bottom wall 
The enclosure includes { TAIL ~ a bottom wall } and { HEAD ~ a side wall } extending from the bottom wall
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH