23 march 2017 - Hokksund. New and shiny, while these often get dirty quite quickly and never really get clean again. Only two units have been delivered for testing and approval, with 19 more to be delivered for replacing many of the old Robels.Hokksund. New and shiny, while these often get dirty quite quickly and never really get clean again. Only two units have been delivered for testing and approval, with 19 more to be delivered for replacing many of the old Robels. Author: Øyvind Berg