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.
Boat building, one of the oldest branches of engineering, is concerned with constructing the hulls of boats and, for sailboats, the masts, spars and rigging. Water tank-a large irregular shaped container(s), often made of stainless steel, that is usually fitted into the bilges of a voyaging boat. 2  The tank often has a deck mounted inlet, a vent pipe and a pump to move water to taps, showers etc. 3  Mounted low in the hull, it adds significantly to stability when full.