1 It is recommended that beginners play an easier Difficulty first, before attempting hardcore mode. 2  Do not enter Caves unless prepared with at least iron Armor, a Sword and a Pickaxe.  Do not go to The Nether or The End unless totally prepared.
Tungsten Carbide Education: What is Tungsten Carbide. Tungsten carbide (WC) is durable and hard, it is four times harder than titanium, ten times harder than ceramic and twice as hard as stainless steel, so it cannot be resized.
n. 1. (General Engineering) tungsten-electrode inert gas welding: a method of welding in which the arc is maintained by a tungsten electrode and shielded from the access of air by an inert gas.