[quote=@The Omnipotent Sphere]
<Snipped quote by Skyrte>

As far as I can tell, that would be two Portfolios and no Domain. The Domain is an umbrella which the portfolio comes under, so it'd be something like Crafting (Carpentry) or Crafting (Smithing).
[/quote]

Oh, right.
Just Metalworking- Smithing to start out with then.