A sound guide for a speaker is capable of guiding a sound of a desired volume to a desired position regardless of installation structure of the speaker. A turn table for receiving a key having an end portion is attached to the key housing. The first gate oxide layer of the core region is selectively removed, and a second gate oxide layer is formed under the first gate oxide layer of the inputoutput region and on the semiconductor substrate of the core region. By allocating one part, or time slot, of the data packet’s payload to one service, and allocating another part, or time slot, of the data packet’s payload to another service, communications sessions for multiple services can be maintained concurrently. Accordingly, the present invention is directed to new porous, particulate, dehydrothermally cross-linked, wetted sponges, as well as a process for making them. The shell is completed with a rubber seal enabling tight sealing of the enclosure to the vehicle on which it is attached.