WORKING ON HIGH SYSTEM OF OFFSHORE STRUCTURES USING AN FLYING ROBOT FOR WORKING ON HIGH
SEPERATING APPARATUS FOR RISER OF DRILLSHIP AND METHOD THEREOF
PIPE HANDLING SYSTEM AND METHOD FOR HANDLING PIPE OF THE SAME
FIRE EXTINGUISHING SYSTEM OF OFFSHORE STRUCTURES USING EXTINGUISHING FLYING ROBOT
EVACUATION SYSTEM FOR DRILLING RIG AND METHOD THEREOF