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NATURAL AND HUMAN-MADE THINGS


                  We see many things around us. Some are natural and some are human-made.
                  For example,
















                                     Tree                          Sun                          Cat

                                                            Natural things












                                   Pencil                   Television                       Fan

                                                         Human-made things

                      WHAT ARE MACHINES?


                  Machines are things made by human. They make our work easy. They also save
                  our time. Some machines need electricity to work and some do not. We use many
                  machines in our daily life. Some examples of machines are given below:





                  An air conditioner makes a room cool.





                                                                                               Air conditioner



                                                           A refrigerator keeps our food fresh. It also keeps
                                                           water cool.





                        Refrigerator



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