the various constructions, anchoring and mooring equipment and systems on the upper and inner decks of the sea vessel.

construction anchor bollard superstructure funnel mast mooring switches plug winches chain appliances lifeboat raft systems equipment steel cable beam hook ladder brake block drum sea sky ship crew navigation water port derrick crane stern bow wires pier vessel container blue cargo shipping transport dock harbor nautical ventilation antenna architecture wheelhouse radar satellite lights horn typhoon ro-ro various constructions anchoring upper inner decks