Multiple video streams can be transmitted over a high speed link. Even if ink is supplied in a constant amount, an image is formed without non-uniform density. The element isolating region is formed in the surface of the semiconductor substrate and located at the sides of the cavities. Then, the data is digitally shredded on sector boundaries of the removable drives such that the reclaimed memory cannot be read to decipher the erased data. Unlike an ESD protection circuit, a frequency bypass circuit does not result in substantial voltage reduction across its terminals. The central computer receives a second set of paint color data from the remote terminal representing a surface of the specific vehicle painted with the first best paint formulation and compares by a second process the second paint color data to the first paint color data so as to establish accuracy data.