An etching solution for a metal hard mask. The device includes a radio for transmitting and receiving signals and a GPS receiver for receiving GPS signals and providing vehicle position data. The sound analyzing circuit analyzes and recognizes the received sound signal in terms of the volume, the tone and the speed. 0% by weight, wherein the amount of the wax is determined by Fourier transform infrared spectroscopy attenuated total reflectance ; and the use of the toner in an image forming method, image forming apparatus, developer and toner cartridge containing the toner. In the single cell per bit mode, one bit of data is stored in one DRAM cell. Apertures formed in the clip assembly restrain movement of the connector along three axes.