Assertion: keel | /r/HasProperty | designed
Facets:
value: perfectly
type: DEGREE
Source sentences:
text: For instance, if the full keel is perfectly designed, it enables a boat to stay on the compass direction with the keel itself pointing towards the compass direction.
text: They are airfoil shaped, an innovation for swing keels in 1969 when they were designed, and weigh 400 to 420 lbs.
text: The point here is keels are designed and built with many different bolt patterns, metallurgy, and means of securing the bolts to the lead.