An interface exposes methods for use in manipulating a database. The touch module includes at least one sensing unit and a touch panel for sensing input operations executed by a user respectively and generates at least one sensing signal or at least one touching signal correspondingly. A first dimension D is defined by the first end and the second end. Air cleaner arrangements configured for use of the cassette or band therewith included an arrangement with a central housing section for receipt of the main filter cartridge and cassette, and which has thereon a mounting arrangement with 3 mountable sides. A method for radiation monitoring, the method includes applying a backgate voltage to a radiation monitor, the radiation monitor comprising a field effect transistor ; exposing the radiation monitor to radiation; determining a change in a threshold voltage of the radiation monitor; and determining an amount of radiation exposure based on the change in threshold voltage.