Abstract of DisclosureA main bearing cap for an internal combustion engine consists of an aluminum alloy with an iron alloy core. A minimum set of information needed to encode a single message for an encoded audio signal is loaded separately from the media data into an encoder. Thus, there can be provided a wafer heating apparatus having an electrostatic adsorption function that has sufficient electrostatic adsorption power without causing dielectric breakdown when electrostatically adsorbing and heating wafers. Content management of the displayed digital content can be remotely accomplished via one or more web interfaces, as well as locally via on-board USB, Cat5 wiring, firewire-type technology, andor other means allowing quick upload of local content. Methods are provided for steering the beam in an optimal direction towards the base station, both for time division duplex and frequency division duplex communication schemes. The method includes, for example, separating, from a starting polyalkylene, a first portion of a polyalkylene having a Mw less than the Mw of the starting polyalkylene.