A structure for reflection of light comprising a curved surface reflector for reflecting the light emitted from a light source located on a focus of the curved surface reflector, and a semi-sphere surface for reflecting the light emitted from the light source located on a center of the semi-sphere surface. The mode control device can be used to control operational modes on a machine within the wagering game network. Optionally, a bodily fluid pass-through region has a reduced amount of liquid leaching material relative to than the capture region.