What is Production line?
[[File:Krispy Kreme Doughnuts.jpg|thumb|Production line of [[doughnut]]s]] A '''production line''' is a [[sequence]] of [[task]]s (or [[wikt:operation|operations]]) done in a [[factory]]. The tasks process [[material]]s to make a useful [[Product (business)|product]]. An example is an [[assembly line]], used in [[manufacturing]]. ==History== Production lines were introduced with the development of the [[steam engine]]. It depended less on the power source. {{commons category|Production lines}} [[Category:Engineering]] {{tech-stub}}