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SOLAR WATER MOTOR FOR FIELDS
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
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HELICOPTER THAT HELPS MOBILIZE SMALL THINGS IN THE SCHOOL
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
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multiscreen audio player
Kalvi International public school,sholavandan,Tamilnadu,India.
India