Originally Posted by OMEGA_HACK
Land and Hand should also get Jobs make them:
Blacksmith + Carpenter → Airship Hull Builder (create airship parts)
Carpenter + Leatherworker → Airship Upholstery Maker (interior airship parts)
Alchemist + Blacksmith → Airship Engineer (Engine parts for the airship)
Of course I'm just using Airships as an example, but this could also be brought into housing; making houses AND the bigger furnishings. When you have a particular crafting job set, it will allow you create the items needed, if you don't have it set you cannot create the items (it won't allow you)
Botanist → Herbologist (increases chances to find small plants while decreasing others)
Botanist → Arborologist (same as above just visa-versa effects)
Miner → Gemologist (increases rate of finding precious metals)
Miner → Paleontologist (increases rate of finding 'bone' materials)
Miner → Geologist (increases the rate of finding raw ore materials)
Fisher → Marine Biologist (increases rate of finding large fish)
Fisher → Limnologist (increases rate of finding small fish)