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 phantom flush--that mysterious phenomenon in which your toilet seems to flush itself--can be little jarring late at night, not to mention a waste of water. the quick fix The problem is usually caused by water slowly leaking from the cistern into the bowl because of a worn-out flapper valve.