User contributions
- 20:19, 16 June 2008 (diff | hist) . . (+18) . . Semi-submersible
- 20:17, 16 June 2008 (diff | hist) . . (+538) . . N Semi-submersible (New page: These platforms have legs of sufficient buoyancy to cause the structure to float, but of weight sufficient to keep the structure upright. Semi-submersible rigs can be moved from place to p...)
- 20:15, 16 June 2008 (diff | hist) . . (+30) . . Main Page (Added semi-submersable platform)
