There is a cover which closes {TAIL ~ the end} of the projection remote from {HEAD ~ the rim} 
There is a cover which closes { TAIL ~ the end } of the projection remote from { HEAD ~ the rim }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD