What to do with the XP green bar in Minecraft

Many beginners in Minecraft see that green rod with a number on it, which is below the little hearts and the food in Minecraft, and do not know what to do, but here you will find something that can be done with this bar is that the your XP.

The XP is a level in Minecraft it is for you to empower your weapons and tools thru the Bureau of Enchantments which is a special kind of table that you can use to give your weapons and special power tools. The table will enchant swords, bow, shovel, pick and ax. These may be made of wood, stone, iron, gold or diamond.

Each time you use the table of enchantment you will lose some of your experience points. However, you can surround the table with bookshelves (1 block away from the table). If you build the stand correctly, then you should see the letters fly from the books on the table and enchantment.

What items can be enchanted?
     sword
     arc
     shovel
     pick
     ax
     armor

What items can not be enchanted?
Some items in the game can not be enchanted. They are:

    hoe
     bucket
     scissors
     Fishing rod
     Stone and Steel

How to make an enchantment table?

Book 1 x + 2 x + 4 x diamond obsidian = enchantment table

Using the table of enchantment?

To use the table enchantment enchantment table you right click the desktop to open the enchantment. Then select the item you want to enchant, moving it to the empty box. A number of different spells is shown on the right. They are all in the Galactic Alphabet and unreadable.

How to get obsidian?

Obsidian is made ​​when lava and water are mixed you can break it with a pickaxe diamond.