Assertion: centerboard | /r/HasProperty | lightweight
Facets:
value: very
type: DEGREE
value: in essence
type: OTHER
value: relatively
type: DEGREE
Source sentences:
text: The centerboard on the Oday 25 is relatively lightweight (as compared to the true "swing keels" on the Catalina 22 and 25).
text: The centerboard or daggerboard is in essence a very lightweight keel, which is not permanently mounted and can be pulled up to accommodate shallow water.