An automatic-slide-forward-lift bridge for use with a jack stand power unit. The method includes using a time-of-flight camera to capture an image of a scene in front of a reflecting portion of the mirror and obtaining data about distances between a number of points in the scene and the TOF camera. If the remote person is wearing the inventive footwear, the central monitoring station can send the remote person the street address of the wearer, or route information, with or without map data, for display on their video gaming device, such that they can \u201cintercept\u201d to meet up with one another. The peripheral portions or peripheral regions of adjacent stacked ceramic layers are mutually contiguous to prevent fluid flowing through the stacked ceramic layers from leaking between said outer skins. Specifically, compounds and the method of use of the compounds in which polymer compounds comprising functional groups A and B are used to seal surface-exposed pores in porous materials used in chip production.