You will be given a definition of a task first, then some input of the task.
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Working versions of 3D-printing building technology are already printing how much building material daily, no actually I want to know per hour?
Output:
Working versions of 3D-printing building technology are already printing how much building material per hour?