A highway culvert inlet collar is disclosed having a plate member and a pipe adapter. The apparatus includes a sensor connected to the semiconductor substrate or a movable portion of the planarizing machine. In accordance with the invention, the thermal buffer layer or layers comprise a silicon-oxi-nitride ), wherein X is between approximately 0. The file is encrypted the in-place within the storage system using symmetric encryption based on a secret associated with the user. In another aspect, the present invention is directed to a tissue implant comprising a human muscle tissue matrix. The central control system can centrally control a plurality of airconditioners connected to the same communication network.