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Govt school kids create organic substitute for gypsum chalks
Updated : 5 years, 4 months ago IST
Hyderabad (Telangana) [India], January 8 (ANI): After seeing the harmful effects that regular gypsum chalks have on the staff and students in their school, two students from a government school in Hyderabad's Adilabad have come up with an innovative organic replacement for gypsum chalks.
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