They are all used here for purposes of demonstration, and readers are recommended to use brands that suit their own individual tastes. (howtogeek.com)
You can fold the prefold directly atop the wrap, (for the purpose of this demonstration, we've set the wrap aside). (diaperjunction.com)
Without a guiding question or issue, the teacher may not understand the purpose of the demonstration lesson, and may view the lesson «as a «break» rather than a learning opportunity.» (mspkmd.net)