An end cap 1 made of {HEAD ~ resilient material} to absorb {TAIL ~ shock} applied to said one end face 
to absorb
An end cap 1 made of { HEAD ~ resilient material } to absorb { TAIL ~ shock } applied to said one end face
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH