Assertion: pile | /r/HasProperty | built in september
Facets:
value: from tinplate iron cans
type: OTHER
value: from 4-by-4-by-12-inch
type: OTHER
Source sentences:
text: The pile was built in September 1941 from 4-by-4-by-12-inch (10 by 10 by 30 cm) graphite blocks and tinplate iron cans of uranium oxide.