a) ans: I learn from this chapter -

1. About dry washing process,such as - sand blasting,whisker, hand scrapping and their process. 

2. Learning more pp spray and pp sponging and about their procedure. 

3. I learn how do the permanent wrinkle and overall wrinkle and known about the merchandisers detailed sheet.

b) ans: Yes, I have want to learn more.

c) ans: I have understand about all this topic.