A multi-layer coating for a transparent substrate, such as glass, plastic, or other transparent material, which increases the durability and weatherability of the substrate. The mechanisms receive, in the intelligent file system of the data processing system, a file access command specifying a file access operation and an extended filename. A laser beam having a predetermined length and a predetermined shape is irradiated onto each laser beam irradiation area. The liquid then drops down into the powder housing. The data is cast to the required data type if the data can be cast to form modified data, and the arithmetic operation is performed on the modified data.