Haggis and co-screenwriter Robert Moresco have crafted a scrupulous script that keeps the film's tension near the boiling point with merciless verbal assaults and disgusting physical demonstrations of hatred. (contactmusic.net)
After you introduce the grammar point, it would be useful to give physical demonstrations around the classroom with students» objects such as a pencil, pen, etc.. (tes.com)
The stacked suitcases had a better place where they could shine, but Ron bought these big boxes full of science / physical demonstration stuff. (nofearoffashion.com)