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