5. Conclusion

5.1 Practical Applications:
-Permanent marker is a common tool, hence, if mishandled, the ink contained has a possibility of leaking, or be exposed to non-porous surfaces. Therefore, in the experiment, the solubility of the permanent marker was tested to determine the effect of detergent against permanent marker stains on fabrics (non-porous surface).

5.2 Areas for further study:
-We have to do more experiments on different type of detergent as well so we can find out which brand of detergent is most suitable for washing away permanent marker ink.

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