This relates to a method and system for processing subscriptions and periodically-billed services. This recorder can be more convenient to use, and can reduce the required recording area of a DVD for creating the openingending screen. When the thermal stripping has reduced the bulk hydrocarbon content of the soil, an effective amount of permanganate or other strong oxidizing agent is mixed into the soil to reduce the residual organic contaminants. The p-type electrode provides the p-type semiconductor layer with holes. The coupling assembly provides fluid communication between the interstices of the adjacent sections of the double-wall pipe and the connector tube bypass assembly but does not permit fluid from the interstices of the pipes to pass through the pipe fitting.