The R&D activities which DC engages in include the basic research required for manufacturing new products, development of new products, improvement of manufacturing technology, etc. DC assumes full responsibility for R&D activities of the inflator, which is manufactured by DSST. DC employs engineers who engage in the development of new products, new technology, production process, etc. The engineers at DC are highly trained through the development program and other training, and they continuously create new technologies that enable DC and its related companies to maintain their leading position in the industry. All expenses relating to such R&D activities are borne by DC.