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                                                       Abstract

                                   In this project our objective is reduce PM 2.5 dust at child pick-up point

               Roong aroon school by not use electric power.
               Operation

               1. Cut water bottle to made a pot and bring rope to wear around the bottle.

               2. Put dirt and Coconut residue in bottle.

               3. Plant the Spotted betal tree in the bottle.

               4. Bring bottle to hook it at place that you choose.

               Collecting Data

               Find the dust in Spotted betal tree leaves before and after use.


               Work editing process

               Change the Sansevieria tree to Spotted betal tree because we can’t find it and we also have
               spotted betal tree at home.



               In the study result Spotted betal tree can reduce PM 2.5 dust by this information. At first has

               PM 2.5 dust charge is 40 micrograms/meter cube.Then 15 minutes have passed we founded
               the dust reduce by 8

               only 32 micrograms/meter cube left. And this can be put in operation by

               reduce PM 2.5 dust at child pick-up point.
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