are node purities, fixed or will they change in the future or is it a better feedback, for the most part as far as I know when I talk to Mark about this we don't have any plans to change node Purity on the existing nodes the the the thing that we might do that I mentioned before was we might add a few nodes here and there, the only ones that I know of that we don't want to do is in the best buyercoast I don't know if we have any other plans I know that a lot of people wish there were more sulfur nodes and we're aware of that feedback don't know what plants we have there and I know that the same deal with like maybe bauxite or is it some other or nuclear or something like that there's like sulfur and one more note I know we've heard that feedback or Mark knows about it I don't remember the second one at the moment but we've definitely heard that feedback so we know that as for like purity of the existing nodes there's no plans to change that at least, so yeah you have more copper do you guys feel like you need more copper could I demand more copper isn't that what the because delivering

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, there's a sale we need it so yeah that's to say to that, okay