Nepali boy invented JCB Excavator operated through water

10th standard Nepali boy scientist invented JCB Excavator operated through water.The Excavator whichis inventedby this yung boy is same design as hydraulic excavators for the construction, mining and forestry industries, with the company manufacturing countless models, from medium sized wheeled excavators and reduced tail swing excavators, to mini excavators and ultra-large mining excavators like the 780-ton EX8000-6 excavator. Hitachi also markets forestry log loaders, rigid frame haul trucks, forestry road builders, processors and other products made in partnership with other manufacturers.