METHOD AND SYSTEM FOR MANAGING CHARGE AND DISCHARGE FOR VEHICLE
/ Airtight structure of Plug-in/out door for rail vehicles
TIRE INCLUDING DOUBLE SPONGE STRUCTURED TRIBOELECTRIC NANO-GENERATOR AND TIRE INCLUDE SAME
SYSTEM AND SERVER FOR SUPPORTING OF MONITORING CAPTURING AND TRACKING HARMFUL WILD ANIMALS
Method Apparaus and System for Managing Video Photographed by Drone