A method for object classification by an electronic device is described. Hence, highly sensitive materials, such as material comprising low-k dielectrics, may be efficiently polished with a high degree of controllability. Scripts may be stored in a library. A finger extends from the male portion and defines a gap between the finger and the extension when in the pre-bending position with the finger maintaining the gap as the finger moves from the pre-bending position to the first operating position and the finger engaging the extension when in the second operating position. The valid password indication information may comprise, for example, valid password index values for respective ones of the users, with the index values being stored as a shared secret across the first and second servers.