Thus, more information regarding {TAIL ~ the tip sample interaction} can be retrieved from {HEAD ~ the torsional vibration spectrum} 
Thus , more information regarding { TAIL ~ the tip sample interaction } can be retrieved from { HEAD ~ the torsional vibration spectrum }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD