{TAIL ~ Crosslinking}, of the crosslinkable compositions, may be accomplished by hydrozilation, in {HEAD ~ the presence} of hydrosylation catalysts 
{ TAIL ~ Crosslinking } , of the crosslinkable compositions , may be accomplished by hydrozilation , in { HEAD ~ the presence } of hydrosylation catalysts
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH