{HEAD ~ The data entry system} 105 typically includes {TAIL ~ one or more data entry devices} 120, which include a user interface 122, and data entry controllers 125, and data storage devices 127 
{ HEAD ~ The data entry system } 105 typically includes { TAIL ~ one or more data entry devices } 120 , which include a user interface 122 , and data entry controllers 125 , and data storage devices 127
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL 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