The piping that routes an oil cargo from the manifold to underdeck pipelines is known as a （）.

A.the nature of the cargo being carried
B.changes in heading
C.major structural repair
D.All of the above

A.determined by the Master
B.specified by the Coast Guard
C.specified by the manufacturer
D.None

A.in the pumproom
B.at the vent header
C.at the main deck manifold
D.the midships house