A portion of the length of tape 21 along {HEAD ~ the first edge} 22 of the length of tape and a portion of the length of masking material 25 along the first edge 26 of the length of masking material 25 are both positioned between {TAIL ~ those first and second positions} 
A portion of the length of tape 21 along { HEAD ~ the first edge } 22 of the length of tape and a portion of the length of masking material 25 along the first edge 26 of the length of masking material 25 are both positioned between { TAIL ~ those first and second positions }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL