diving bell {bathyscaph}.
ship wastewater {bilge}.
anchored float {buoy}.
A rectangular board {centerboard} can go up or down at center of small sailboats, to act as a keel.
Curved arms {davit} on ship sides can raise and lower boats.
U's {oarlock} can hold oar handles.
Telephones {hydrophone} can be for under water.
An extendable tube {periscope} can have lenses and mirrors or prisms, to see above water from submarines.
Wood or metal {ribband} can hold ship ribs during planking or plating.
non-permanent equipment {running gear}.
large vertical net {seine, net}.
Weights {ballast} can be at ship bottoms for balance.
movable ballast {stabilizer}.
small three-hook anchor {grapnel}.
Large claws {grapple} {grappling hook} {grappling iron} can go over rails of adjacent ships.
front {bow, boat}.
Watertight walls {bulkhead} can be between ship compartments.
lookout seat near main-mast top {catbird seat}.
Ship stairs {companionway} can go from deck to cabins.
An armored raised command room {conning tower} can be under bridge.
Lookouts {crow's nest} can be near main-mast tops.
kitchen {galley}.
Walkways {gangplank} can go from ship to dock.
side top {gunwale} {gunnel}.
Openings {hatch} can go from deck to below.
third mast {mizzenmast}.
A gun-platform part {sponson} can project over side, for more firing angles.
ship or train compartment {stateroom}.
above topmast and below royal mast {topgallant}.
anchor or dock {mooring}.
Sea anchors {drogue}| can measure currents at different depths.
Canvas {sea anchor} over conical frame can act as a drag to reduce drift.
large emergency anchor {sheet anchor}.
upper deck {hurricane deck}.
aft deck {poop deck}.
upper-deck rear {quarterdeck}.
Large main beam {keel, boat} can attach to hull.
Wood timber {keelson} can bolt to keel.
A wood timber {stemson} can bolt to stem and keelson, where they meet near bow.
Wire {backstay} can go from mast top to stern.
towing or mooring rope {hawser}.
Rope {lifeline} can go to drowning person.
Horizontal ropes {ratline} can allow climbing to sails.
mast and sail ropes and tackle {rigging}.
four-sided sail {fore-and-aft sail}, like diamond.
four-sided sail {gaff, sail}.
sail {lateen}.
nylon sail fabric {sailcloth}.
sail {sheet}.
Four-sided sails {spanker} can be on aft-most lower mast.
Square sails {square rig} can be set horizontally.
Wood or metal poles {spar} can hold sails.
Spars {bowsprit} can point forward from bow.
Diagonal spars {sprit} can be from peak across four-sided fore-and-aft sail.
Long poles {yard, mast} can be across mast.
yard end {yardarm}.
7-Machine-Transportation-Vehicle-Boat
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Date Modified: 2022.0225