An Ender Crystal is a type of block (Tile Entity) that is found in The End. They are situated on top of large and tall towers made of obsidian, on top of a block of bedrock.They are unobtainable and easy to break.37 pages on this wiki. An Ender Crystal is a type of block (Tile Entity) that is found in The End. They are situated on top of large and tall towers made of obsidian, on top of a block of bedrock. They are unobtainable and easy to break.
Mean Time To Failure (MTTF) is a basic measure of reliability for non-repairable systems. It is the. mean time expected until the ï¬ rst failure of a piece of equipment. MTTF is a statistical value and. is meant to be the mean over a long period of time and a large number of units.
wtf file icon: The wtf file extension is associated with World of Warcraft (WoW) MMORPG developed and maintained by Activision Blizzard. The file  realmlist.wtf  contains information that is used by the World of Warcraft (WoW) game to get the servers in which it connects to & the update servers address also.The only reason to edit this file is to play on free private servers in which there are many of online now days.ou can open this file with just about any text editor program. The wtf has nothing to do with its online meaning. It is an actual file extension used only for the purpose of storing the games server & updates connection information.