A method for reducing power consumption of a macro Base Station in a radio communication system is provided. The seal comprises at least one downstream pat which has a thermal mass per unit length greater than the thermal mass per unit length of an upstream part of the seal. The rotor assembly rotates the vessels to the work stations to perform steps of a multi-step process at the same time. In this embodiment, a cellular telephone can retrieve voice mail messages even when the cellular telephone is roaming or cannot pick up a carrier signal. A continuous and regular illumination with a high luminous flux can be obtained using a LED lamp of this type. A caster assembly is carried by the tray at the front and rear corners of the tray.