•Due to shortage of N95 masks, our PM Mr. Narendra Modi has appealed to the nation to use homemade masks that can be made using different types of fabrics available at our homes. •Prepare a comparative chart of different types of fabrics such as- (a)100% cotton (b) Polyester (c) Silk (d) Linen Which of these can be used to make masks that can be worn easily (to prevent the spread of COVID 19)? The criteria of comparison between the fabrics should include the following factors- •Its ability to capture semi-micron particles. •Its ability to breathe through it. •The effectiveness of masks after wearing it for 3 hours
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Because N95 and surgical masks are scarce, it is best to sue face mask made from fabric. Compared to most fabric polyester is considered more effective
Explanation:
- A "good homemade mask" uses a dense material which traps "viral particles" but is breathable enough to withstand them.
- Polyester is a washable, comfortable, & tightly knitted fabric. This type of fabric wipes out your breath's moisture and also enables you to breathe freely
- Polyester fabric filters nearly 80-99 per cent of the particles depending on their size.
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How are mask important covid 19 - Brainly.in
https://brainly.in/question/18503853
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