Methods and systems for routing mobile device calls, based on a converted telephone number of a mobile device, location information of the mobile device, and trunk group identifiers. The floating metal layer is electrically floating. Additionally, the collected substances can be processed in-place, and without requiring any thermal processing prior to disposal of unwanted substances, or for the recovery andor reuse of valuable substances. While the second engaging portion is engaged with the interior part, the movement limiting portion is kept within an interior space formed in the interior part.