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