time and prepared for processing as a single unit or batch. Example: A cheque processing system in a bank. All the cheques received in a particular time frame, say on a particular day are then sorted by the account number and processed in a batch. The following diagram shows the Batch transactions processing application.
When the rubber flapper is compromised, it allows water to run out of the drain causing the toilet to constantly refill. Replacing it is easy--replacements are available at most hardware stores or home centers. Be sure to take the old one with you to find a correctly matching replacement.
The most common cause of a malfunctioning toilet is a simple clog. Many times inappropriate items are flushed down the toilet. Often a plumber has opened up a clogged toilet only to find a child's toy blocking the pipes. If you cannot clear it with a household plunger though, the clog may be too far down the sewer line and require a professional to snake out the line.