![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
The core item in the O il Record Book Part I is __,and its main content is____
A.
Item A; Ballast or Cleaning of Fuel O il Tanks
B.
Item B; Discharge of Dirty Ballast or Cleaning Water from Fuel O il. Tanks Referred to Under Section (A)
C.
Item C; Disposal of Oil Residues (sludge)
D.
Item H; Bunkering of Fuel Oils