In {TAIL ~ the past}, {HEAD ~ various approaches} have been taken to the construction of a snap together clip and cover assembly 
In { TAIL ~ the past } , { HEAD ~ various approaches } have been taken to the construction of a snap together clip and cover assembly
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH