Representatives from the Camp Arifjan, Kuwait, Director of Public Works, Idaho National Labs and their expeditionary resource efficiency managers participate in a demonstration of the solar light cart with hydration unit option at Camp Arifjan, Kuwait, Oct. 3, 2018. The demonstration allowed for the DPW and their operations and maintenance personnel to be aware of how to properly set up the units and how to operate and maintain the units to ensure maximum efficiencies.