Placeable industries extracted from campaign missions and customized for the mod. They are available at the industry button menu, which is enabled by the mod too. Some industries are disabled by default, so you need to activate their production in the properties menu. The ones which support extra configuration can be set there as well. Racetrack and rocket factory are special assets because their consumption products can be manually changed. In addition to this, when fully built, racetrack behaves as a comercial area, so passengers can travel there. Download city extensions mod expansion to have further assets available.