Nigerian Ports Authority in Cross River State, Calabar is the home of the Eastern Naval Command of the Nigerian Navy. Port facilities are located 55 nautical miles up the Calabar River. Delta Port, Rivers Port and Onne Port are located in the petroleum and natural gas producing Niger River Delta region of Nigeria. Delta Port in Delta State includes the ports of Warri, Burutu, Sapele and petroleum terminals at Escravos and Forcados. The Rivers Port Complex in coastal Rivers State comprises Port of Port Harcourt, Okrika Refined Petroleum Oil Jetty, Haastrup/Eagle Bulk Cement Jetty, Kidney Island Jetty, Ibeto Jetty, Macobar Jetty and Bitumen
Brass instrument of most scholars (see organology) is that the term "brass instrument" should be defined by the way the sound is made, as above, and not by whether the instrument is actually made of brass. Thus one finds brass instruments made of wood, like the alphorn, the cornett, the serpent and the didgeridoo, while some woodwind instruments are made of brass, like the saxophone. Modern brass instruments generally come in one of two families: There are two other families that have, in general, become functionally obsolete for practical purposes. Instruments of both types, however, are sometimes used for period-instrument performances of