Assertion: invention | /r/CapableOf | incorporate flexible rubber diaphragm
Facets:
value: commonly
type: TEMPORAL
value: inside the capsule
type: LOCATION
Source sentences:
text: While older designs commonly incorporated a flexible rubber diaphragm or airspace inside the capsule to allow for volume changes caused by temperature or altitude, some modern liquid compasses utilize smaller housings and/or flexible capsule materials to accomplish the same result.