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