An internet browser software component facilitates online submission of prescription eyeglass orders by receiving frame trace data sent to a computer by a frame tracer and embedding it in an order form prepared for submission over the internet. A conductive material and an active material are suspended into a stable suspension in solution by ultrasonication. The antenna detection module is configured to detect a type of antenna coupled to the radio frequency feed point based on a detected direct current voltage. The head plate has sides extending from a bottom surface and terminating in a curl. The hierarchic data structure facilitates rapid retrieval and reproduction of the signals recorded on the recording medium, particularly when the recording medium is a magnetic tape. The rear spoiler is provided with a depression inside the vehicle, and the depression accommodates a brake lamp.