Completar frases MechanismsVersión en línea Fill in the gaps por Miguel Castillo 1 new Engine Root always technological development The of machines has gone hand - in - hand with scientific and progress , discoveries of materials and industrial developments . 2 wheels history uses motion know Famous engine 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 in inventions real To by For example , they were used Leonardo da Vinci many of his .
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