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