Codes to prepare recovery exam

Below you will find he codes to prepare the recovery exam:

557MDD7Y - 2-Exercises Pulleys and gears

DL6I1WO8 - 2-Name of mechanisms 2 º ESO

PMWZ8IQO - 2-Formulas of basic mechanism

MPRT9OYK - 2-Levers 2º ESO