Global Courant 2023-05-01 19:58:24
Mashhad – IRNA – The director of the occupational health and safety engineering department of Mashhad University of Medical Sciences said: the polluted air collection device for use in schools and other places was designed with the efforts of experts and faculty members of the occupational health and safety engineering department of this university. .
Mashhad researchers designed a device for collecting polluted air
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