Semi-submersibles
Semi-submersible may refer to a self-propelled vessel, such as:
Or it may refer to a semi-submersible platform, which is typically transported to a location where it is placed in service.
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Wikipedia
Semi-submersible may refer to a self-propelled vessel, such as:
Or it may refer to a semi-submersible platform, which is typically transported to a location where it is placed in service.