In a collection container for bulk material with a conveying pump or a suction tube arranged off center, with a container wall, and a substantially level container bottom, at least one removing arm is adapted for movement in the vicinity of the container bottom. Two different abrasive surfaces are provided on the leading surface of the ablation burr. An applet may provide detailed instructions to the computer user as a diagnostic program executes on the image forming device. An inflation fluid source is actuatable to provide inflation fluid to the inflatable volume to inflate the inflatable curtain. The system finds matches based on a distance measure of features present in the query image and features present in the catalog images.