Currently, fluids do not have ILocalizedNameSupplier implemented. While this is a very specific use case, I'm trying to create a custom part type that uses fluids, and the only way I can localize this without filling my localization file up with fluid.whatever_fluid=whatever is via game.setLocalization. This just seems like a patchwork way of doing things, so a way to custom define lang keys for fluids would be appreciated.