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Diving Bell

The diving bell is an unpowered single-person diving vehicle, which mainly meets the needs of submergence rescue and marine oil and gas development, and its shape is nearly spherical. Early submersibles were a container with an open bottom, similar in appearance to a clock. Most modern diving clocks have been changed to fully enclosed structures, and the design has become more complicated. It is used for underwater construction engineering and maintenance work of offshore oil drilling platforms, and sometimes dives into the water to rescue the people on the ships in distress and make them out of danger. The buoyancy material is mainly laid on the outer surface of the shell to provide buoyancy for the diving bell and adjust the quality, center of gravity, floating volume, buoyancy and stability of the diving bell.