-
-
-
-
-
AUTOMATIC LIGHT FOR FIELDS
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
India -
Washing machine with hand
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
India -
Hydro power washing machine
Earvaipattinam Union School, Earvaipattinam, Tamil Nadu, India
India -
-
-