This tool can be activated by pressing {0} or by clicking the icon in the toolbar (1). Then click on the building you want to copy settings from (2). Finally click on or drag across as many other similar buildings to paste those settings (3).
A beautiful group of islands rich in raw resources. To get access to nearby islands you will have to make land bridges by dumping material into the ocean. There are rumors that this island is cursed but our scouts found no evidence of this so it's probably just a legend.