students wearing mask for protect corona virus covid and doing exam classroom with stress |
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navigate by keyword : adult asia asian business class classroom college concentration corona coronavirus covid covid19 dangerous difficult doing education exam examination face hand highschool knowledge mask paper people person pollution prevention problem protect quiz room row school sitting stress student students study studying taking test uniform university virus wearing writing young |
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Students wearing mask for protect corona virus or covid-19 and doing exam in classroom with stress. |
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