A firing pin assembly is provided that includes a firing pin and a firing pin shaft. The device has an elastically deformable cutting element mounted within an elastomeric suction cup. The system includes parse-time functionality to transform XML documents into a structure having an interface that enables efficient access to the underlying data. Another object is to provide a light-emitting device and an electronic device with low power consumption by using such a light-emitting element. A weight of the catalytic layer at the outermost layer is 40 wt % or below of a total weight of the catalytic layers. The organic EL light emitting layer includes a hyperbranched polymer layer having hyperbranched macromolecules uniaxially aligned with a degree of alignment of 0.