Skin disorders such as, for example, atopic dermatitis, dyshidrosis, eczema, lichen planus, psoriasis, and vitiligo, are treated by applying high doses of ultraviolet light to diseased regions of a patients skin. If the first or second BOM is a CAD BOM and the other BOM is a non-CAD BOM, the CAD BOM and non-CAD BOMs may be respectively used as a first and a second source BOM data for a master BOM table. The terminal is adapted to send via a first telecommunications interface at least one command for downloading the interface application, if the interface application not present.