The Fuel Pump
29:40
Combustion
18:34
The Electrodes
31:35
Oil Tanks and Piping
22:57
Properties of Fuel Oil
30:19
Girl repairs and restores old cars abandoned long ago.
33:13
Combustion Efficiency Testing
30:03
Garota genial repara e substitui rolamentos de transmissão de caminhão
21:43