Further, during the cooling process, {HEAD ~ the projector apparatus} is not usually performing {TAIL ~ any other processing} 
is not performing
Further , during the cooling process , { HEAD ~ the projector apparatus } is not usually performing { TAIL ~ any other processing }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL