The buffer element is disposed on {HEAD ~ the lateral wall} with {TAIL ~ its lateral side} facing the lateral wall of the supporting base 
with
The buffer element is disposed on { HEAD ~ the lateral wall } with { TAIL ~ its lateral side } facing the lateral wall of the supporting base
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH