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