Assertion: prototype | /r/CapableOf | settle for 7–10 days
Facets:
value: before verification
type: TEMPORAL
Source sentences:
text: Accordingly, they are cleaned in a process the BIPM developed between 1939 and 1946 known as "the BIPM cleaning method" that comprises firmly rubbing with a chamois soaked in equal parts ether and ethanol, followed by steam cleaning with bi-distilled water, and allowing the prototypes to settle for 7–10 days before verification.