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SAI INTERNATIONAL SCHOOL
                                                        STD-VII

                                            SUBJECT - CHEMISTRY
                                TOPIC-MANAGEMENT OF WASTE WATER
                         SUB TOPIC-STEPS TO PREVENT WATER POLLUTION

                                                         MIND MAP








                                                   WASTE WATER








                                 MANAGEMENT OF                  STEPS TO REDUCE
                                    WASTE WATER                     POLLUTION






                                                                                MEASURES TAKEN
                  MEASURES TAKEN                 MEASURES FROM                         FROM
                    BY INDUSTRIES                 DOMESTIC AREA
                                                                               GOVERNMENT SIDE



































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