{HEAD ~ Backing ply} 70, which is preferably of {TAIL ~ new wood} of the same specie as surface ply 62 
is preferably of
{ HEAD ~ Backing ply } 70 , which is preferably of { TAIL ~ new wood } of the same specie as surface ply 62
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH