Soap

   

                                                 1 soup per month = 12 soap per years

                                 25 baht                 = 300 baht

                                                    

                                          300 baht !!!!!

  That is a lot of money. Now , I will tell you how to save this money.Helper is used plant oil and base .

   Every house must left some oil from their cooking  in the kitchen
so you will have benefit from that because oil is a component of soap  then you have to prepare these to make it 

          1.plant oil
 2.base example sodiumhydroxide(NaOH) or Potassiumhydroxide(KOH)

          3.something that you want to add example smell,color others

  HOW
1.put everything boiled with heat 
2.then take soap in the block
3.wait it cold
4.finishhhhh!!!!