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Now, a key point to consider: Workman can process any number of different kinds of tasks. When a task is passed to a task worker, the worker delegates the creation of a task processor to a task processor factory. The task processor factory is responsible for recognizing tasks and providing an appropriate processor for that task. So as the system develops, new types of tasks can be handled simply by adding a new task processor and registering the related factory with the RootTaskProcessorFactor (see diagram below).