 There's different properties in each one. Yes, it's part, you know, there is some natural gas in there, but they run at completely different pressures. The orifices need to be changed. Yeah, there's a lot. Hold on. Let me see if I can bring this home a little bit. So I live out in the middle of nowhere, North Dakota, and I have no city services. Are you installing a propane system or a natural gas system for me?