- A.a clause of a contract
- B.an explanation of advantage of eyes over radar
- C.a requirement from a government
- D.an article of Colreg
- A.provision
- B.dimension
- C.distinction
- D.permission
- A.distinguishable
- B.reasonable
- C.controllable
- D.reliable
- A.show omissions
- B.provide new information
- C.make corrections to the Notice
- D.change the shape of the charts
- A.the arcs from which one can not see certain objects
- B.the arcs which are blind
- C.the black arcs
- D.the arcs from which one can see certain objects