A method and power management infrastructure are disclosed that facilitate implementing application power requirements-derived device power state schemes, on a computing device comprising a plurality of component devices managed by device drivers that are capable of requesting lower power states without affecting other component device power states. , or a copolymer of styrene and at least one kind of monomer selected from the above group which has a ring and ball softening point of 110-170 C. The increase in Dlx activity causes differentiation of the immature neuronal cell into a neuronal cell exhibiting the GABAergic phenotype. Reinforcing the polymer resin with c-glass fibers provides substantially increased overall strength and durability while providing increased flexibility and toughness in the region of the hinge connection between the ligation cover and the bracket base.