Assertion: cannon barrel | /r/HasProperty | thick
Facets:
value: very
type: DEGREE
value: for their caliber
type: OTHER
Source sentences:
text: Early cannon barrels were very thick for their caliber.
text: Early gun barrels were short and thick, typically no more than 26 calibers, as the gunpowder propellant they used burned very quickly and violently, and hence its acceleration time was short.