Assertion: sailor's rating | /r/HasAspect | bu for builder
Facets:
value: for builder
type: PURPOSE
Source sentences:
text: Each rating has an official abbreviation, such as GM for gunner's mate, BU for builder, or BM for boatswain's mate.
text: Each rating has an official abbreviation, such as GM for gunner's mate, BU for builder, or BM for boatswain's mate.