Bar

In World of Warcraft, a bar usually refers to one of several things:

1. A purer form of a metal produced after smelting raw ore with the Mining profession.
2. A UI feature such as the Interface Bar made up of a horizontal arrangement of other UI elements such as buttons.
3. A UI feature to indicate the current quantity status of some attribute like Energy, Health, Mana, or Rage.
4. A drinking establishment.

Metal bars

Some types of metal bars needing only Apprentice skill level to smelt:

•  [Copper Bar]
•  [Tin Bar]
•  [Bronze Bar]
•  [Silver Bar]

Some rarer types of metal bars needing Journeyman skill level to smelt:

•  [Iron Bar]

Much rarer types of metal bars needing Expert skill level to smelt:

•  [Gold Bar]
•  [Steel Bar]
•  [Mithril Bar]

Very rare types of metal bars needing Artisan skill level to smelt:

•  [Truesilver Bar]
•  [Thorium Bar]
• 8x [Dark Iron Ore] (and Black Forge) makes 1  [Dark Iron Bar]

Type of metal bars needing Master skill level to smelt:

•  [Fel Iron Bar]
•  [Adamantite Bar]
•  [Felsteel Bar]
•  [Eternium Bar]
•  [Khorium Bar]
•  [Hardened Adamantite Bar]

type of metals need Grand Master skil

•  [Cobalt Bar]
•  [Saronite Bar]
• Hardened Saronite Bar
•  [Titanium Bar]
• And  [Titansteel Bar]

Other types of metal bars:

•  [Enchanted Thorium Bar] (requires Enchanting to create)
•  [Arcanite Bar] (requires Alchemy to create)

Interface bars

• Action Bar (aka Button Bar or Command Bar)
• Breath status bar