A dry dock (sometimes drydock or dry-dock) is used for the construction, maintenance, and repair of ships, boats, and other watercraft.There are several basic types of dry docks:(1) Graving or Basin Docks,(2) Floating Dry Docks,(3) Marine Railways,(4) Vertical Lifts,(5) Marine Travel Lifts.

History

Ptolemaic Egypt

The Greek author Athenaeus of Naucratis (V

3.Next