{HEAD ~ Useful breaking activators} include acid generating breaking activators, {TAIL ~ sulfur} containing breaking activators and reducing agent breaking activators 
include
{ HEAD ~ Useful breaking activators } include acid generating breaking activators , { TAIL ~ sulfur } containing breaking activators and reducing agent breaking activators
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH