An example vane arm testing rig includes a base having a first attachment configured to receive a first end of a vane arm when the vane arm is in an engaged position, and a torque member having a second attachment configured to receive an opposing, second end of the vane arm when the vane arm is in the engaged position. Each of the identity services is mapped to a privilege group of the proxy service and an ID pool manager is implemented to manage sharing of the privileged accounts. Plate-shaped main electrodes on at least one face of each of which silicon oxide film is formed are made to be in contact with the sides so as to close the openings, with the silicon oxide film being placed so as to face the inside of the container. The CODEC connects to a MCU, receives video conference data, and decompresses video conference data. Phase control is included for channel compensation and to provide nominal beam steering. Typically, material removal does not require use of a chemical etchant and is carried out while the article and a shaping electrode are positioned in contact material removal relationship with under a potential difference.