The International Association of Lighthouse Authorities (LALA) buoyage system "A" uses some types of marks to distinguish safe navigation. Which type (s) does (do) not belong to the system?(1.0)
The International Association of Lighthouse Authorities (LALA) buoyage system "A" uses some types of marks to distinguish safe navigation. Which type (s) does (do) not belong to the system?(1.0)
A.Lateral marks and cardinal marks.
B.Safe water marks.
C.Isolated danger marks and special marks.
D.Dangerous water marks.
