A method for controlling the handling of push type e-mails on a mobile terminal device comprises at least one user profile regarding handling of push type e-mails. A stream of sound is captured and annotations of sound concerning the stream of sound are generated for positions of interest or relevancy. Each instruction executes and always writes its result into the forwarding register. A gas is spouted into a gap between the flat approach part and the corner of the substrate so that the gas flows through the gap toward the second side surface.