The Vice President of the United States is the ex officio President of the Senate, with authority to preside over the Senate's sessions, although he can vote only to break a tie. For decades the task of presiding over Senate sessions was one of the vice president's principal duties.
However, because they ride atop the water, rather than cutting through it as other hulls do, flat-bottom boats are usually limited in the size of their motors. The flat surface may also give a spine-jarring ride in anything less than calm weather.
There are many types of sailing ships, mostly distinguished by their rigging, hull, keel, or number and configuration of masts. There are also many types of smaller sailboats not listed here. The following is a list of vessel types, many of which have changed in meaning over time:1  barque, or bark: at least three masts, fore-and-aft rigged mizzen mast. 2  barquentine: at least three masts with all but the foremost fore-and-aft rigged. 3  bilander: a ship or brig with a lug-rigged mizzen sail.here are many types of sailing ships, mostly distinguished by their rigging, hull, keel, or number and configuration of masts. There are also many types of smaller sailboats not listed here. The following is a list of vessel types, many of which have changed in meaning over time: