Compléter MechanismsVersion en ligne Fill in the gaps par Miguel Castillo 1 always Root Engine new development technological The of machines has gone hand - in - hand with scientific and progress , discoveries of materials and industrial developments . 2 motion know Famous engine wheels uses history The gearbox of a Formula 1 is made up of helical gears that transmit the force and from inside the engine to the car's . It might look like a complex , modern machine , but the mechanisms it have been the basis of many machines throughout . 3 To real inventions by in For example , they were used Leonardo da Vinci many of his .