In {HEAD ~ the imaging standby state}, the quick return minor 6 inside the minor box 5 is retained at {TAIL ~ an angle} of 45 degrees—to the optical axis L 
In { HEAD ~ the imaging standby state } , the quick return minor 6 inside the minor box 5 is retained at { TAIL ~ an angle } of 45 degrees — to the optical axis L
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH