{HEAD ~ A scanner} 3, wherein said fixing member comprises a boss having {TAIL ~ a screw hole} 
{ HEAD ~ A scanner } 3 , wherein said fixing member comprises a boss having { TAIL ~ a screw hole }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL