APPARATUS FOR PRESERVING SUNKEN SHIP AND METHOD FOR CONSTRUCTING THE SAME
APPARATUS FOR DRAINING REMAIN WATER OF SHIP BLOCK FOR FREEZING PREVENTION
Environment-friendly high performance car seat air conditioning and heating ventilation system
High-efficiency air conditioning and heating ventilation device
SECURITY MECHANISMS FOR ELECTRIC MOTORS AND ASSOCIATED SYSTEMS
Obstacle avoidance apparatus and method for autonomous navigation of a ship
HUB APPARATUS AND ASSOCIATED CHARGING APPARATUS AND SYSTEMS
METHOD OF EVALUATING THE HEALTH STATUS OF BELT DRIVE IN ELECTRIC POWER STEERING SYSTEM