a) What you have learnt?

I have learnt about different kind of wet wash from this chapter. Enzyme wash, Bleach wash, Enzyme-Bleach wash, Stone wash, Acid wash etc all of these are wet wash process. 

b) What you want to learn more?

I want to learn about more details about these wet wash process from google searching and YouTube videos. 

c) What you have not yet understood?

I have understood all the topics from this chapter. Thank you.