{HEAD ~ The color code} in {TAIL ~ the illustrated example} is green for the rail assembly 42 and is indicated schematically by shading 17B on the rail assembly 42 and shading 17A on the lug mount 30 
in
{ HEAD ~ The color code } in { TAIL ~ the illustrated example } is green for the rail assembly 42 and is indicated schematically by shading 17B on the rail assembly 42 and shading 17A on the lug mount 30
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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 OTH OTH OTH OTH OTH