source:[1] From Spec to Site: De-Risking Energy Projects Through Smarter Supply and Logistics - POWER Magazine (https://www.powermag.com/videos/from-spec-to- ...)[2] Perpetua, INL to work on antimony trisulphide recovery - International Mining (https://im-mining.com/2025/12/10/perpetua-and ...)[3] Perpetua partners with Idaho National Lab to build antimony processing plant - Mining.com (https://www.mining.com/perpetua-partners-with ...)