Curse Break
Combine the Curse Break enchanted book with any cursed item on an anvil to remove the curse.
Homing
Combine the Homing enchanted book with a pickaxe, shovel or hoe on an anvil to enable the tool to help you locate ore. The tool will be attracted to ore of the same ingots/gems that make up the head of the tool.
Magnetic
A tool with the Magnetic enchantment adds block drops straight to your inventory. This enchantment may also be added to shears.
Salvage
An tool with the Salvage enchantment preserves the item's enchantments by dropping them as an enchanted book when the tool is destroyed.