Features are disclosed for transferring speech recognition workloads between pooled execution resources. In some embodiments, the unique session identifier may be utilized in a variety of systems to provide a uniform way of recognizing the availability of an electronic programming guide in conjunction with enhanced television distribution systems. The hood includes a first set of hood engagement members. The floating diffusion region is disposed in the semiconductor substrate above the photoelectric conversion region. The constricted portion reduces an effective capillary fluid flow capacity of the wick between the open ends, which may thereby regulate how quickly fuel is consumed when the candle assembly is burning.