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324   Chapter Nine


             Example 9.22. Pollinating Plants
             Old design


                                              Air with pollen (2)
                                      Air with
                                      pollen                     1      2
                                   Flower

                                              Petal (1)





             In artificial pollination, flowers are blown with a pollen-containing
             airstream. A disadvantage is that the airstream fails to open some flower
             petals because they are small and do not respond to the force of the wind.
             New design


                                                      Air with pollen (2)
                                      Air with                   1
             Flexible                 pollen                            2
             electrode
                                  Flower

                                            Petal (1)
                                                      Charges



             It is proposed to use an electric field. A flexible electrode is passed over the
             flowers, charging them. Then, an opposite-charge electrode is brought close
             to open the flower. At this point, pollen is applied with an airstream.

           Method 3: Draw harmful action (field)
           to another object
           Another object, object 1, is added to draw the harmful action to itself,
           that is:


                                 Subject           Object
                                            F
                                                  Object 1
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