{HEAD ~ The rail assembly} 44 includes {TAIL ~ a silver color code} and the rail assembly 46 includes a black color code  
{ HEAD ~ The rail assembly } 44 includes { TAIL ~ a silver color code } and the rail assembly 46 includes a black color code
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH