FLOATING BODY FOR TSUNAMI EVACUATION AND AIR HOLDING FORMATION BODY
FLOATING BODY FOR TSUNAMI EVACUATION AND AIR HOLDING FORMATION BODY
SELF-PROPULSION TYPE WORK SHIP EQUIPPED WITH HEAVY MACHINE
ON-WATER SOLAR POWER GENERATION DEVICE AND SOLAR POWER GENERATION SYSTEM, AND SOLAR LIGHT COLLECTOR
ROTARY CLEANING BRUSH DEVICE WITH RECOVERY MECHANISM OF WATER CLEANER
FRP-MADE THREE-DIMENSIONAL UNIT AND STRUCTURE AND FRAME USING THE SAME