Methods and systems for allocating licenses to devices are provided. A driven arm is carried on the frame and revolves in circles to periodically insert the probe of a probe assembly into the ground during motion of the frame. Parts of the photoresist layer are removed by developing to provide an initial surface patterning, including photoresist sacrificial subregions. Each stage may nest within an adjacent stage. A portion of the lower side edge of the outer lid forms an engaging portion under the check window, and an upper portion of the inner lid forms a contact support for an outer peripheral edge of the check window, engaged with the engaging portion while surrounding this outer peripheral edge portion from under.