You would select add slide if you where using keynote!
Answer:
Check the explanation
Explanation:
To solve the above question.
The two valid classes are:
1. Patron_identity
2. Books
Class generalization can be between Books and Patrol_identity to create a new superclass for All The Books that this patron has ever checked out.
Two valid associations can be between:
1.Patron_identity and books
2.Books and library catalogue
Grúas semi pórtico, carretilla pórtico, side lifter, grúas torre, grúas puente, grúas flotantes... y mas
Espero q esto te ayude! :))