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Coronavirus: Face mask, face shield, FFP2, N95, KN95 — what′s the difference? | Science | In-depth reporting on science and technology | DW | 29.06.2021
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mask_1 noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com
![mask_1 noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com mask_1 noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com](https://www.oxfordlearnersdictionaries.com/media/english/fullsize/h/hob/hobbi/hobbies_diving_snorkelling.png)
mask_1 noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com
![Bilingual instruction Icon with the phrases please Wear A Mask" and "กรุณาสวมหน้ากาก" Meaning the same in English and Thai Respectively. Stock ベクター | Adobe Stock Bilingual instruction Icon with the phrases please Wear A Mask" and "กรุณาสวมหน้ากาก" Meaning the same in English and Thai Respectively. Stock ベクター | Adobe Stock](https://as1.ftcdn.net/v2/jpg/03/42/28/30/1000_F_342283048_wAC8rQaY98DicDzjKJSkSnfjrjbYPeeB.jpg)
Bilingual instruction Icon with the phrases please Wear A Mask" and "กรุณาสวมหน้ากาก" Meaning the same in English and Thai Respectively. Stock ベクター | Adobe Stock
![Frontiers | Face Masks During the COVID-19 Pandemic: A Simple Protection Tool With Many Meanings | Public Health Frontiers | Face Masks During the COVID-19 Pandemic: A Simple Protection Tool With Many Meanings | Public Health](https://www.frontiersin.org/files/Articles/606635/fpubh-08-606635-HTML/image_m/fpubh-08-606635-t001.jpg)
Frontiers | Face Masks During the COVID-19 Pandemic: A Simple Protection Tool With Many Meanings | Public Health
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Amazon.co.jp: Khon Mask : Thailand Heritage; The ultimate rare collection of Ramayana dance drama, more 300 color illustrations to describing the meaning and significance ... masks in glorious details. (English Edition) 電子書籍:
![Coronavirus (COVID-19) – مجھے ماسک پہننے کی ضرضرورت ہے؟ (Do I need to wear a mask?) | Australian Government Department of Health Coronavirus (COVID-19) – مجھے ماسک پہننے کی ضرضرورت ہے؟ (Do I need to wear a mask?) | Australian Government Department of Health](https://www.health.gov.au/sites/default/files/images/publications/2020/07/coronavirus-covid-19-do-i-need-to-wear-a-mask_14.png)