Assertion: enamel | /r/HasProperty | fired
Facets:
value: for 2 to 3 minutes
type: TEMPORAL
value: on a triangular stilt
type: LOCATION
Source sentences:
text: Enamel is then sifted onto the front of the copper and the piece is fired on a triangular stilt for 2 to 3 minutes, or until the surface is nice and smooth.
text: When the enamel is fired the oxygen is gradually driven off.