Adds massive cargo ships to the game, that function similarly to trains. Also adds deep sea oil, oil platforms, tanker ships, train bridges and other water based content.
The floating power pole is 3x3 in size. I suppose you wanted to make it bigger because it floats on barrels. That makes sense. However, being an odd size makes it impossible to correctly center between water ways or in chunk-aligned blueprints. I would suggest going with either 2x2 or 4x4. My OCD would be much happier.
