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In my conclusions, I have concluded that my hypothesis (The front doorknob at school) was wrong. The dirtiest place of all the places I took samples from was the keyboard at school (computer #7). Why I think that area was dirtiest because I took the sample after school, so everybody was touching everything and all their bacteria went onto the keyboard. Here are some examples on how the school could keep the areas clean.
1. For the keyboard, and mouse somebody could was the mouse and keyboard before the day starts.
2. For the outside handle of the washroom at school you could clean the handles and even the washroom every so often before or after school.
3. For the inside handle of the washroom at school you could encourage the students to wash their hands and as well you could wash the handle.
4. For the front door knob at school you could wash it everyday before or after school.
(This applies to my home as well.)