This video gives a demonstration of the strength of a common-use surgical mask. See how strong is the mask which looks quite thin and fragile. What will happen if we wash it in soapy water and warm water? Will it be still strong? (If you would like many people to watch this video, please press like and subscribe to this channel👍)
![](https://i.ytimg.com/vi/f_xHu3XgLkg/maxresdefault.jpg)