The invention also comprises {HEAD ~ a method} of {TAIL ~ block molding} and a mold assembly which may be used to make a block which may be stackable to form structures of varying setback 
of
The invention also comprises { HEAD ~ a method } of { TAIL ~ block molding } and a mold assembly which may be used to make a block which may be stackable to form structures of varying setback
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH