{HEAD ~ The cartridge} does not add to {TAIL ~ the extent} of the measurement device, therefore handling is improved 
not add to
{ HEAD ~ The cartridge } does not add to { TAIL ~ the extent } of the measurement device , therefore handling is improved
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH