प्र.17 फेस मास्क के विभिन्न प्रकारों का वर्णन कीजिए।
Describe different kinds of face mask.
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There are many types of masks you can use to protect yourself and others from getting and spreading COVID-19. When choosing a mask, choose one that fits snugly. Learn more about how to choose a mask that fits well and offers the best protection.
Cloth Masks
Cloth Masks can be made from a variety of fabrics, and many types of cloth masks are available.
Look for
Multiple layers of tightly woven, breathable fabric
Nose wire
Mask should block light when held up to bright light source

Do NOT wear
Masks with exhalation valves or vents
Single layer or masks made of thin fabric that don’t block light

When to wear
Anytime you are indoors or outdoors with people who don’t live with you.

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