Here you have the Unit 3 and the Activities:

Link

In this link you can practice how to distinguish between the different types of industries:

http://www.educa2.madrid.org/web/educamadrid/principal/files/471617fb-7e9b-4f2d-af0c-4cd00400844e/Exelearning/3%C2%BA/Industry/index.html?t=1398363959588

- Video that shows the use of robots in a car factory: Kia Sportage factory production

- Photographs that show the workers' protests of Gijon in the 70's: "Este era mi barrio"