Loku lokulandzelako kususelwa kumdlalo longumbumbuto lobitwa ngekutsi yi-Heron yase-Alexandria, ingcweti yetibalo kanye nemunjiniyela.
#SCIENCE #Swati #IN
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Tinkinga - Tincwadzi Letisicedza Kufundza
#SCIENCE #Swati #IN
Read more at Hindustan Times