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.
A constantly running toilet is testing your sanity. THE QUICK FIX. The problem is most likely the flapper valve not sealing properly. First, make sure that nothing--such as a brick to raise the water level or a toilet-bowl cleaner dispenser--is blocking the valve from closing properly.