These compositions may also be reused, i.e., used for more than one purging operation, and they may be recycled by incorporating {TAIL ~ the used purge composition} into {HEAD ~ a polymer} which is identical to or compatible with the polymer of the purge composition 
These compositions may also be reused , i.e. , used for more than one purging operation , and they may be recycled by incorporating { TAIL ~ the used purge composition } into { HEAD ~ a polymer } which is identical to or compatible with the polymer of the purge composition
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 OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH