 surgeons, sometimes in surgery, live, that's an example of a technical sale. Another one would be something in the manufacturing world where you've got an engineering item. You know, you're selling a highly sophisticated piece of equipment or whatever. But, I mean, anything that falls in that heading of technical sales, really good money in all of that. That's exactly right. And it always involves instruction. And it sounds like it's a sales job, but it's not really. Not at all.