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Shipbuilding
The design, construction and maintenance of both commercial and military ships and floating vessels in shipyards or other marine facilities.
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bending slab
Shipbuilding; Naval architecture
Heavy cast-iron blocks with square or round holes for “dogging down” arranged to form a large solid floor on which frames and structural members are bent and formed.
blocks keel
Shipbuilding; Naval architecture
Heavy timber blocks piled one above the other on which the keel of a vessel is supported when being built, or when she is in a dry dock. They are placed under the keel from bow to ...
freeing ports
Shipbuilding; Naval architecture
Holes in the lower portion of a bulwark, which allow deck wash to drain off into the sea. Some freeing ports have swinging gates which allow water to drain off but which are ...
docking keel
Shipbuilding; Naval architecture
In dry docking, the weight of a ship is usually carried almost entirely on the keel blocks. The keel and keelson provide the means of distributing the pressure on the center line, ...
halyards
Shipbuilding; Naval architecture
Light lines used in hoisting signals, flags, etc. Also applied to the ropes used in hoisting gaffs, sails, or yards.