A method and apparatus is disclosed for permitting an online user to buy merchandise over the Internet from multiple vendor sites, after a single entry of their credit card information. The control panel energizes the coil base to generate a magnetic field, whereby the magnetic column is displaced upward by the magnetic force of the coil base, so that the main fire electromagnetic valve is acted to let the gas flow into a main fire gas vent, so that the main fire is ignited. The system also includes a privilege model that interfaces with the kernel and implements a framework in which super-user based processes and privilege based processes transparently interface with the kernel. One purpose of adjusting the voltage is to modify the effective channel mobility such that the individual channel currents are substantially constant over a predetermined operating temperature range of the IC. The engine speed suppression control is further configured to reduce a torque capacity decrease rate of a clutch being released in comparison with a torque capacity decrease rate that would occur if shifting was taking place during normal coasting in which the accelerator operation is not performed. Sepiapterin, lactoylpterin and tetrahydrolactoylpterin are produced at high yield through the following reaction scheme.