1 See the STLFSI Key for a list of data series used in the index. For more details on the construction of the STLFSI, see the appendix to the January 2010 issue of the St. Louis Fedâs National Economic Trends. Newsroom: St. Louis Fed Financial Stress Index.
The hull of a boat consists of an internal network of frames that extend from side to side (transverse) and that run the length of the boat (longitudinal), covered by an outer shell plating, usually made of fiberglass or metal.
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.