Provided is a method of etching a silicon oxide film. A bulb comprises an enclosure and an optic element in the enclosure for receiving the light from the LED assembly and transmitting the light from the enclosure. A set of branch statistics fields is allocated to associate with a branch instruction. Further, techniques are described herein for generating filler bits in a grant message according to a predefined pattern, thereby enabling checking of such bits to further reduce false alarm rates. The resulting oxidation-resistant and wear-resistant polyethylenes and implants are also disclosed. Prior to dialing a phone number, with the telephone \u201coff-hook\u201d, a caller receives an audible indication as to whether the call will be made over the PSTN or the Internet through a standard dial tone generated by a Central Office or a distinctive dial tone generated by the adapter.