It doesn't look like much of anything when it arrives -- just a big flat circle of steel: A "blank," it's called, appropriately. Carried by a robot, the blank gets doused in lubricant, stamped in a toggle press, welded, trimmed, coated with electrically charged enamel, and heated to 1,700 degrees F before it looks as it should. Like the bell of a jellyfish. Or a UFO. Or a Weber Grill.
Read the rest of the Fortune article here.