A handicapped accessible exercise apparatus having a central housing with two pivoting extension arms. The friction brake assembly is releasably connected to the frame in order to enhance serviceability of the sprinkler. The receiving device is arranged on a surface of the at least one retaining body, which surface extends parallel to the plane, and is adapted for mechanically connecting the vehicle attendant seat with the at least one retaining body. A non-photosensitive self-assembling block copolymer layer containing at least two immiscible polymeric block components is deposited on the stress-generating liner, and is annealed to allow phase separation of immiscible components. , during media fabrication, servo recording or readout, data recording or data readout. The cable, with the first connector and the other connectors on the adaptors, can be used to interface various appliances.