The laser 10 includes a beam delivery assembly with {HEAD ~ a cylindrical housing} 12 terminated in {TAIL ~ a conical end} having a circular opening 13 
terminated in
The laser 10 includes a beam delivery assembly with { HEAD ~ a cylindrical housing } 12 terminated in { TAIL ~ a conical end } having a circular opening 13
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH