The present invention provides certain improvements in methods for processing vegetable oils and apparatus for carrying out such methods. The multifunction apparatus 21 includes an apparatus control section 7, a second web server section 8, and a web browser section 5 which communicates with a first web server section 53 or the second web server section 8. Escape of the shaft portion from the first recess in direction is prevented by an inner peripheral edge. The user may optionally specify a data value that can be used to indicate whether the user chooses for the hidden port to be enabled for general IO purposes andor for debugging purposes.