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• VHF Radio Frequencies: In the maritime context, VHF (Very High Frequency) Radio Frequencies refer to the range of radio frequency electromagnetic waves from 30 MHz to 300 MHz, with corresponding wavelengths of ten to one meters. Vessels use VHF radio frequencies ... Read More >>
• Ocean Floor: The ocean floor is the bottom of the ocean, which varies in depth from shallow waters such as coral reefs and continental shelves to deep ocean trenches and abyssal plains. The ocean floor is composed of different types of sediments, rocks, ... Read More >>
• Crane: A crane is a type of machine, generally equipped with a hoist rope, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them horizontally. In maritime context, cranes are commonly used in ports a ... Read More >>