{HEAD ~ The mineral casting} is preferably made of resin, hardener and {TAIL ~ mineral fillers} 
is preferably made of
{ HEAD ~ The mineral casting } is preferably made of resin , hardener and { TAIL ~ mineral fillers }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL