Superventilated blade that provides hydrodynamic force in a liquid at high speed
Floating garbage collection device for ocean engineering
Movable oil skimmer moving with power provided by the hydrofoil operating unit
Environment protection device capable of automatically collecting water surface pollutants
Low-carbon floating garbage intelligent recovery ship and method thereof
Water plant winding prevention propeller for water garbage cleaning device
KEYLESS ENTRY CONTROL SYSTEM AND KEYLESS ENTRY CONTROL METHOD FOR OUTBOARD ENGINE