Florida Atlantic University College of Engineering & Computer Science
Seeing is believing. The video on this page shows how effective different types of face masks are in obstruction droplets using flow visualization of emulated coughs and sneezes.
It's easy to make a mask out of things you have at home. All you need is a piece of cloth and two rubber bands. You can use elastic hair bands, too. For cloth there are bandanas, small kitchen towels, a piece of a t-shirt, etc.
The best video to teach washing hands to make them hands safe. Not language dependent and children can understand the demonstration, too.
"I taught my Grade 3 students to wash hands assembly line style when returning to class. After the first two got cleaned up, one squirt soap and the other doled out paper towels." -- V. Ott
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