Assertion: keel | /r/HasProperty | backbone
Facets:
value: in shipbuilding
type: OTHER
Source sentences:
text: In shipbuilding, the keel is the main structural component and backbone of a ship or boat.
text: As the spine functions to keep our backbone upright by linking and supporting our body, the keel is the primary structural member and backbone of the vessel which runs along the centreline of the bottom plate around which the hull of the ship is built.