In order to provide a suitable resistivity, {TAIL ~ the OSCL} 35 may be doped with sufficient conductive material to have {HEAD ~ a moderate resistivity} 
In order to provide a suitable resistivity , { TAIL ~ the OSCL } 35 may be doped with sufficient conductive material to have { HEAD ~ a moderate resistivity }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD