A sliding member having a base and a coating on the surface of the base, the coating is formed of a mixed resin obtained by mixing a thermosetting resin and a thermoplastic resin. Also, a method for transporting a sample rack. The luminance sensor is mounted on the LED lamp board, is capable of sensing light emitted from the LED lamp board. The media server is configured to validate streaming of the advertising content to the streaming client based on the information associated with the verifiers. If the buffer is loaded to the point that the currently rendered data lags the actual live feed by more than a threshold amount of time, the player skips over one or more video frames to bring the rendered content more current. The inserts are separately fabricated and mounted in tapered openings formed through the support.