Further, {HEAD ~ a visual display device} is provided in {TAIL ~ order} that a swimmer can recognize a starting signal visually 
is provided in
Further , { HEAD ~ a visual display device } is provided in { TAIL ~ order } that a swimmer can recognize a starting signal visually
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH