4th level. Machines

In 4th level, we have studied the machines.

MACHINES MUST BE QUICK, SAVE AN EFFICIENT. Our electrical appliances can be more or less efficient. Here you can see the different types of energetic efficiency they can have. They can be A,B,C,D… The best are those with A+++. They are the best for our environment.

                                        SO REMEMBER:

 LOOK AFTER THE ENVIRONMENT!