A "practical demonstration" is when someone shows how something works or is done in a way that you can see and understand it clearly.
Sentences with «practical demonstration»
It provides a very practical demonstration of the steps and techniques we have outlined above. (vetbabble.com)
You can see practical demonstrations of eating strategies and positive behaviour techniques, get tips on healthy eating and much more. (raisingchildren.net.au)
Participants will spend the day out on the shoot where practical demonstrations will take place. (politics.co.uk)