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
Types of trombone Types of trombone There are many different types of trombone. The most frequently encountered trombones today are the tenor and bass, though as with other Renaissance instruments such as the recorder, the trombone has been built in every size from piccolo to contrabass (pitch of brass instruments). See trombone for information about the instrument in general. The cimbasso is a brass instrument in the trombone family, with a sound ranging from warm and mellow to bright and menacing. It has three to six piston or rotary valves, a predominantly cylindrical bore, and in its modern incarnation is most often pitched