You can pause the processing of a response file in different scenarios.

The daily flight to the city has been temporarily suspended because of the earthquake.

In this situation, a task can be suspended.

Many hedge funds are likely to suspend dealings with these firms while details of the investigation are sorted out.

A microflow is non-interruptible, which means that it cannot contain a wait or human task activity or more than one receive activity since each of these require the process to pause.