Transcription: The popular cassette is an invention from Philips that dated 1993. It represents a great salt in the use and economy with respect to the sense of security that has been used for so many years. In a cassette, the sense is great and reproduces two pieces, together with the movement A and B. In some reproductories, the operator can change the case when the safety is completely destroyed by a suspect. And the motor that pulls the cassette can automatically be directed when this occurs.