And we'll see that they also have a connection to the Hittites. So this will hopefully acquaint you with time. These are Bronze Age civilizations. The state of the art of technology for most of them was bronze, which is combining copper and tin, and you can make weapons and tools and jewelry with it. Now what's interesting about the Hittites is that they were one of the first to start to use iron. Iron required a little bit more technology. In order to smelt iron, you had to get the furnace to be even hotter.