40 processing of inorganic mineral products and metal alloy products, namely, cryolite, graded quartz, ground potash feldspar, limestone granules, limestone powders, manganese, spodumene, calcium carbonate, iron, magnesium oxide, perlite, zinc oxide, cobalt carbonate, iron oxide, alumina, calcined bauxite, chromite, olivine, zircon, dolomite, ilmenite, silica sand, silica flour, white fused alumina slurry, hematite, magnetite, zircon sand, zircon flour, high purity silica, chrome sand, chrome flour, dead burned magnesite, rutile, and rutile sand, that are used across a broad spectrum of niche industrial applications