Moreover, using {HEAD ~ the light source device} allows observing an subject at high resolution, and allows processing a workpiece at {TAIL ~ high resolution} 
Moreover , using { HEAD ~ the light source device } allows observing an subject at high resolution , and allows processing a workpiece at { TAIL ~ high resolution }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL