The radiused outer edges of the cover also provide some holding engagement of {HEAD ~ the cover} around {TAIL ~ the radiused corners} of the channel member 
around
The radiused outer edges of the cover also provide some holding engagement of { HEAD ~ the cover } around { TAIL ~ the radiused corners } of the channel member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH