In a preferred embodiment of the invention, the technique is employed to assemble a scan optics module and {TAIL ~ a scanner body} in {HEAD ~ a laser scanner} 
In a preferred embodiment of the invention , the technique is employed to assemble a scan optics module and { TAIL ~ a scanner body } in { HEAD ~ a laser scanner }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD