For most people with a herniated disk, low back pain is the initial symptom. This pain may last for a few days, then improve. It is often followed by the eventual onset of leg pain, numbness, or weakness. This leg pain typically extends below the knee, and often into the foot and ankle.
Iron Nuggets are used for crafting very basic thaumaturgic tools, including your very first wand. Besides crafting, they can be produced as bonus material by the Infernal Furnace.
Iron armor is the fourth tier, and second strongest type of Armor in vanilla Minecraft. While Iron Armor has high durability, and a full set will absorb 60% of damage, it is strangely the least enchantable type of Armor. Iron armor can be worn by Mobs, but them spawning with it is very rare..