… Light-vessels, fire-floats, dredgers, floating cranes and other vessels the navigability of which is subsidiary to their …
Explanatory notes
… 89.05 ‑ Light‑vessels, fire‑floats, dredgers, floating cranes, and other … working platform itself, are fitted with devices (hulls, caissons, etc.) which enable them to float, and with … tanks may have skirts or piles which penetrate more or less deeply into the sea bed. (3) Semi‑submersible platforms …