articles
The new guidelines of the World Health Organization regarding the use of masks
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The spread of Corona increases the pollution of seas and oceans
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How do we know if we have the corona virus or the flu or a cold?
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Visibility of liquid particles coming out of the mouth without a mask and with a mask in a study published in New England
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But and standard ifs in Sharq's conversation with Pirozbakht
Ms. Nireh Pirouzbakht, the head of Iran's National Standards Organization, in an interview with Sharq newspaper on 24...
Dos and don'ts - the importance of breaking the transmission chain of the corona virus
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Dos and don'ts - a few sentences with children about Corona
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Virtual tourism - stay at home
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To host world heritage in our homes _"Eleven thousand kilometers at home"
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Corona virus and cartoonists
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