Armoursmith

This skill specializes in forging and repairing extremely tough plating. You know what it takes to armor a vehicle, even specializing in plastics to create durable light-weight covers. Whether the armor is to be especially resistant to fire, bullets, explosives, or other dangerous forces, you got the know-how. You should take the Blacksmithing and other related skills first.

In ancient times, you're likely designing heavy armour for both horses and knights. In the future, this skill determines your ability to repair the hull of a starship.