A catheter insertion needle assembly including a generally elongated body, a slider assembly, and a needle housing with a needle. Each of the panels has an inner edge extending outwardly from a major planar portion and surrounding an opening. A volatility of resource usage for each partition is computed based on computed resource usage gainslosses associated with each partition. The user may then resume their playback experience once the content has been completely delivered using surplus network capacity as it becomes available. The light toward the substrate is more effectively reflected upward.