Assertion: mercury fulminate | /r/ObjectUse | used in manufactured blasting caps
Facets:
value: commercially
type: MANNER
value: in north america
type: LOCATION
value: by early 1989
type: TEMPORAL
value: commonly
type: TEMPORAL
Source sentences:
text: Although mercury fulminate was once so used, we question whether by early 1989 it was still commonly used in commercially manufactured blasting caps in North America.