7 Hydraulically powered, high speed centrifugal pumps for use in industrial applications, namely, tank cleaning operations, pumping drilling cement, oilfield drilling, rig well cellar pumping, pumping abrasive drill cuttings, environmental clean-up, barge pumping and cleaning operations, confined space oily waste pumping, sewage, salvage and jetting operations, construction pit de-watering, mining, pumping oil spills, disaster response, flood protection, city maintenance, swimming pools, farming, and forestry fire fighting