{HEAD ~ The pot life} of {TAIL ~ the formulation} after mixing is about three to about four hours 
of
{ HEAD ~ The pot life } of { TAIL ~ the formulation } after mixing is about three to about four hours
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH