Keel block
In marine terms, a keel block, is a concrete or dense wood cuboid that rests under a ship during a time of repair, construction, or in the event of a dock being drained. The block rests under the keel of a ship.
In marine terms, a keel block, is a concrete or dense wood cuboid that rests under a ship during a time of repair, construction, or in the event of a dock being drained. The block rests under the keel of a ship.
In marine terms, a keel block, is a concrete or dense wood cuboid that rests under a ship during a time of repair, construction, or in the event of a dock being drained. The block rests under the keel of a ship.
Source: Wikipedia "Keel block" · CC BY-SA 4.0
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