Methods and apparatus for processing substrates and controlling the heating and cooling of substrates are described. Specifically, compounds represented by formula where R1 represents either the following formula or or pharmaceutically acceptable salts thereof are provided. The method further includes for providing images associated with each of a series of edits applied to a media object. The billing controller also accesses a stored customer record identifying a customer and including usage data and a plurality of codes, specifies a bill format from the codes, determines whether codes identify a selected bundle of products from at least two providers, and generates a bill including the usage data in the specified format. The time unit generates a timing signal for the behavior control unit.