C. an amount sufficient to promote curing of {TAIL ~ said composition} of a platinum containing {HEAD ~ catalyst}; and 
C. an amount sufficient to promote curing of { TAIL ~ said composition } of a platinum containing { HEAD ~ catalyst } ; and
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH