Thus, several CDs in their envelopes can be accommodated in each hanging file folder without {HEAD ~ risk} of {TAIL ~ scratching} 
of
Thus , several CDs in their envelopes can be accommodated in each hanging file folder without { HEAD ~ risk } of { TAIL ~ scratching }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL