The average height of the surface of the sea. Takes into account the change of tide. Used by pilots when referring to altitude.
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Vehicle Safety Warning Equipment
People Counting, Detection Devices, Tracker Devices, 3D Sensors, People Counters, Depth Sensors
Hangar Doors, Doors, Stacking Doors, High Speed Doors, Sliding Doors, Fibre Glass Curtain Walling, Industrial Doors
airport operations, video surveillance, samsung techwin, airport security, open platforms
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