Machines and machine tools, namely, slurry pumps and pumps for pumping of sediment-water mixtures, sediment disintegration tools, namely, cutter heads for the disintegration of sediment, drills and hydraulic power operated hammers; hydraulic apparatus comprised of dredges, pipeline systems comprised of suction heads and pipelines for sediment transport and removal, suction heads and ejector pumps for handling, disintegration, excavation, shifting or removal of solid material and sediment in w...

Waste water purification units