Assertion: boiler | /r/CapableOf | add chemical
Facets:
value: before steaming stops
type: TEMPORAL
value: to scavenge oxygen
type: PURPOSE
value: to the boiler
type: TRANSITIVE-OBJECT
Source sentences:
text: As the boiler is being shut down and as the pressure subsides, but before steaming stops, add chemicals to the boiler to scavenge oxygen and to control pH, per the recommendations of the Owner's water treatment consultant.