Processing I $(10$ P$)$

Given are the following products A and B:

A

Fiber reinforced profile

$($thermoset$)$

B

Flexible film

$($polyethylene$)$

a$)$ Which processes are used for the manufacture of A resp. B $?(2$ P$)$

b$)$ Briefly describe these processes. Simple sketches might be helpful. $(8$ P$)$