0Pontoon: A floating structure serving as a dock.02br 02br 00Platform: A horizontal surface raised above the level of the adjacent area, as a stage for public speaking or a landing alongside railroad tracks.02br 02br 00raft: A flat structure, typically made of planks, logs, or barrels, that floats on water and is used for transport or as a platform for swi
0Hi, 02br 02br 00A pontoon usually consists of hollow cylinders/containers of some kind, which give it bouyancy, eg you might use empty, closed oil-drums on top of which a floor of some kind is placed.02br 02br 00A small plane that lands on water can be said to have two pontoons instead of two wheels. 02br 02br 00Best wishes, Clive0-