Automatic transmissions use a special type of oil, called Automatic Transmission Fluid, or ATF. This fluid has a number of duties in the transmission, including lubrication, cooling and clutch application. ATF even provides the connection between the engine and transmission, through a hydraulic coupling called a torque converter.
How to Install Emerald and Ruby Tools and Armor Mod for Minecraft 1.3.1. 1  Download Emerald and Ruby Tools and Armor Mod for 1.3.1. 2  Drag the contents of the .Zip into your minecraft.jar. 3  Delete the folder named META-INF.  Youâre done! No modloader required!
As of Snapshot 12w21a, the only use for Emeralds is purchasing items from Villagers. The player can also sell items for Emeralds. It can be mined from extremely rare Emerald Ore. To trade Emeralds with Villagers, the player must place them into the Trading Menu's left slot in the amount requested above the slot.