7
Processing machines for screening, crushing, and separating solids and liquids comprised of-- sizing screens, namely screens for sorting objects according to size, hydraulic classifiers, namely devices for separating solids of different characteristics by controlled rates of settling according to bulk density using water, thickeners, namely apparatus for the sedimentation and removal of solids suspended in various liquids, jigs, namely apparatus for washing coal or separating ore from gangue by shaking and washing according to bulk density, attritioners, namely devices for scrubbing sand to clean it, sump pumps, hydrocyclones, namely devices for removing small or powdered solids by centrifugal force using water, manifolds for connecting a plurality of hydrocyclones to a single source, centrifugal pumps, and belt filter presses for processing minerals including aggregates, sands, gravel, salts, coal, iron ore, feldspar, copper, lead, zinc, phosphate and the like
37
Plant designs, namely repair and reconstruction of processing equipment, plant erection, namely construction of structural supports for equipment
40
consulting services in the field of material processing equipment