Rizzle's schematics describe the process of the refinement of indurium ore. From his scrawls, it is apparent that indurium ore is being obtained from the dwarven excavation site of Uldaman in the Badlands.$b$bMuch of the other notes relate to the heat resistant properties.$b$bUsed as a paperweight for the plans is a hunk of what appears to be unrefined indurium ore.