A polarizing plate with which a drop in polarization efficiency, hue shift, and light leakage do not substantially arise, under a high humidityhigh temperature environment is provided. The digestion chamber can also includes at least one agitation member having an interior with at least one void. In response to the OMA DM alert, a reply is sent from the OMA DM server to the client device. The information indicative of the determined aging of the IC may be compared to an aging threshold.