Conflict in the Niger Delta Jonathan’s defeat in the March 2015 elections, the amnesty program seems likely to end in December 2015 and with patronage to former militant leaders terminated, local discontent is deepening. A February 2016 explosion in a pipeline operated by Shell Petroleum Development Corporation, a Royal Dutch Shell subsidiary to the Shell Forcados export terminal halted both production and imports. Speculation centered on militants using divers. Emmanuel Ibe Kachikwu, the minister of state for petroleum and the head of Nigeria’s oil company, said Nigerian production was down 300,000 barrels a day as a result. On May 11 Shell closed its Bonny oil
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