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FINGER PRINT TOYS LOCKER DOOR OPENER
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
India -
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WATER ALARM WITH VOICE RECOGNITION
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
India -
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washing machine with hands
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
India