When {HEAD ~ the constituents} are mixed into a paste, the compound has a one hour pot life and cures at {TAIL ~ room temperature} in three to four hours 
When { HEAD ~ the constituents } are mixed into a paste , the compound has a one hour pot life and cures at { TAIL ~ room temperature } in three to four hours
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH