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