Note to recorder:
Please read slowly, thanks.
Shapes of buoys
Conical buoy, nun buoy
Can or cylindrical buoy
Spherical buoy
Pillar buoy
Spar buoy, spindle buoy
Barrel buoy
Super buoy
Fixed
Class of lights
Fixed light
Single occulting light
Group occulting light
Group occulting light
Isophase light
Single flashing light
Group flashing light
Composite group flashing light
Long flashing light
Continuous quick light
Group quick light
Interrupted quick light
Very quick light
Group very quick light
Interrupted very quick light
Continuous ultra-quick light
Ultra-quick light
Fixed and flashing light
Alternating light
