{HEAD ~ The LED module} is sandwiched between {TAIL ~ the base} and the elastic members, and is thereby secured to the base of the heat sink 
is sandwiched between
{ HEAD ~ The LED module } is sandwiched between { TAIL ~ the base } and the elastic members , and is thereby secured to the base of the heat sink
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH