Inland and marine water transport intersect Dental Chewing Gums each other in seaside areas of continents as well as in off-shore parts of world seas and oceans.That leads to their natural technological and technical integration.In the largest possible extent is this shown on the water transport means, which is a ship or eventually also a formation of vessels in various technological configuration.In that way, transport systems which are a part of combined systems of water transport named as"river-sea", are created.In these systems, apart from dimensionally smaller marine ships, which are able to navigate also into Jackets river-sea ports situated deeply in big rivers mouths, two basic alternatives of "river-sea" vessels can be distinguished.