{HEAD ~ The number} of each type of preassembled top frame unit maintained in stock ready for assembly may be set in {TAIL ~ accordance} with the demand for different range configurations  
{ HEAD ~ The number } of each type of preassembled top frame unit maintained in stock ready for assembly may be set in { TAIL ~ accordance } with the demand for different range configurations
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH