SYSTEM AND METHOD FOR OPTIMAL NAVIGATION OF VESSEL AND COMPUTER-READABLE RECORDING MEDIUM THEREOF
SHIP CAPABLE OF DRIVING ROUTE AND PREVENTING FROM COLLIDING
Drain hole watertight jig device for removing remain water
A method and an apparatus for optimizing ship's navigation
MARINE WASTE CLEANING AND SOLID FUEL MANUFACTURING SYSTEM SHIP
VESSEL EQUIPPED WITH SYSTEM FOR COLLECTING MARINE WASTE PLASTICS AND MANUFACTURING SOLID FUEL
MARINE WASTE CLEANING AND SOLID FUEL MANUFACTURING SYSTEM SHIP
MARINE WASTE CLEANING AND SOLID FUEL MANUFACTURING SYSTEM SHIP
SYSTEM FOR RECOMMENDING VESSEL SAFETY NAVIGATION AND METHOD FOR OPERATING THEREOF