A driving force transmission device for four-wheel-drive vehicle based on the two-wheel drive of rear wheels or front wheels is provided. The process includes the steps of inoculating the root system with the mycelium to produce an inoculated tree seedling; stimulating the mycelium to form sclerotia by severing the shoot system from the root system; and inducing the sclerotia to produce ascocarps by providing conditions conducive to the formation of ascocarps. A light absorbing material also receives some of the light. These recombinant antibodies were generated by the chimerization and deimmunization of the Fv region of mouse monoclonal antibody B4. One or more masters may issue requests on the CAR network, such that multiple transactions are simultaneously pending.