Assertion: ammonium nitrate's property | /r/HasProperty | longstanding concern
Facets:
value: to industry executives
type: OTHER
value: to u.s. government
type: TRANSITIVE-OBJECT
Source sentences:
text: Griffith, who once served as president of the Institute of Makers of Explosives, an industry organization, said that the explosive properties of agricultural ammonium nitrate has been a longstanding concern to U.S. government and industry executives, going back to the time before World War I.