FLOATING BODY FOR TSUNAMI EVACUATION AND AIR HOLDING FORMATION BODY
FLOATING BODY FOR TSUNAMI EVACUATION AND AIR HOLDING FORMATION BODY
METHOD FOR ACQUIRING SAMPLE FROM SURFACE LAYER OF SEA BOTTOM, HANDLING DEVICE AND STAND
FLOTATION-TYPE STRUCTURE, AND MOVABLE JOINT FOR USE IN THE SAME
GROUND IMPROVEMENT DEVICE AND GROUND IMPROVEMENT METHOD USING THE DEVICE
FENDER, FENDER MOUNTING METHOD, AND FENDER MANUFACTURING METHOD