Assertion: fine grain powder | /r/CapableOf | vary for good fine-grain powders
Facets:
value: from four to eight hours
type: TEMPORAL
Source sentences:
text: For good fine-grain powders it varies from four to eight hours, but the very best sporting gunpowder is said to be as long as twelve hours under the runners ; blasting and cannon powders are incorporated from two to four hours, the period being rather longer where the lighter stone runners are used.