The schematic depiction includes three pieces of {TAIL ~ wood} 1a, {HEAD ~ 1b}, and 1c shown before and after alignment for cutting 
The schematic depiction includes three pieces of { TAIL ~ wood } 1a , { HEAD ~ 1b } , and 1c shown before and after alignment for cutting
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH