- A.class A
- B.class B
- C.class C
- A.steering gear
- B.turning gear
- C.timing gear
- A.the bridge officer on watch
- B.the chief engineer
- C.the duty motorman
- A.Finished with engine
- B.stop engine
- C.Stand by engine
- A.main bearings
- B.main shafts
- C.cargo winches
- A.instruction book
- B.hand book
- C.log book
- A.top dead center
- B.temperature difference center
- C.time delay clock
- A.Cranes
- B.Windlasses
- C.Capstans
- A.Thank you for your help
- B.Not exceed l20 tons
- C.Not less than 120 meters long
- A.waste
- B.fresh air
- C.water