{HEAD ~ This gel} may be a water based thermally conductive gel, and may contain {TAIL ~ antifreeze} 
contain
{ HEAD ~ This gel } may be a water based thermally conductive gel , and may contain { TAIL ~ antifreeze }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL