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So we've got that figured out. Yes, no problem. Manuals. Make sure you've got your electronic manual of your radio downloaded someplace that comes in very handy. OK, but I was also reading an article about electric vehicles where there's quite a switch beginning to be quite a switch over from copper to aluminum for conductors. Aluminum, of course, is much lighter than copper, significantly lighter. It's also much less expensive. A ton of copper right now is just under $15,000. A ton of metric ton. And aluminum is about $3,000. So better than a 4 to 1, almost 5 to 1 ratio there. And one thing to remember about copper, though, versus aluminum, is aluminum is not as flexible. So it is lighter weight. It is less expensive. But for a given amperage, you have to have a large cage wire, for example. And it's also not.