Japan's Top Inventions
S9 · E6 — Automatic Floodgates
S9:E6 · Automatic Floodgates
12 episodes in this season
Non-Loosening Bolts
15 min
Portable Fetal Monitors
Concentrated Laundry Detergent
Liquid Glass Coating
Luminescent Ceramic Tiles
Automatic Floodgates
Concrete Testing Equipment
Taste Sensing Systems
Silica Gel Rotors
Pre-Inked Stamps
Center Bridge Knee Braces
Dissolving Microneedles
