There are many projects that can be expanded and adapted it for everyday use.
projects, I like to compare the performance of the brush, ink pen on a shirt from milk and vinegar.
getting rid of stains
bring
things closer
Common items that are readily available
to anyone who wants to study the general problem.
, people can easily understand the experimental results.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)