A dump of water world buildings and a new resource known as rubber, would be used for tires and other things. Models are FisherBot, FisherHut, Floating ore rig (used for extracting ore, built with rubber and other things and built over salt water), Floating Rubber Mat (used for building on and built with rubber, build other things ontop and build this over salt water), Palm tree, RubberHut, and Rubber Tree, and lastly a simple water purification factory.