Freio motor - retarder - combinações -

 

https://www.youtube.com/watch?v=UqyEkQep6nQ

https://www.youtube.com/watch?v=p2CAfiZ_ic8

https://www.youtube.com/watch?v=GY9MPss8TWw

https://www.youtube.com/watch?v=OIJSxdE5WUI

https://www.youtube.com/watch?v=I-7E49Nw2X0

https://www.youtube.com/watch?v=-T_1kpdnAAw