Definition: Translate the given Spanish text to English

Positive Example 1 -
Input: A method for converting a series of m-bit information words to a modulated signal is described.
Output: Se describe un método para convertir una serie de palabras de informacion de bits m a una señal modulada.

Positive Example 2 -
Input: A last plastic cover is applied as a final protection.
Output: La presente invencion comprende un nuevo mezclador termocinetico.

Negative Example 1 -
Input: Luminescent optical sensor.
Output: SENSOR OPTICO LUMINISCENTE.

Negative Example 2 -
Input: The urinal is similar to a common toilet.
Output: El común es similar a un inodoro orinal.

Now complete the following example -
Input: The circuit assembly (12) comprises an electronic type switch (14) acting on the electric circuit (11) for supplying the magnetic unit (5) so as to interrupt the circuit and operate the valve means (4) for closure in the presence of inflammable vapours detected by the sensor means (13).
Output: El ensamblaje de circuito (12) comprende un interruptor de tipo electronico (14) que actua sobre el circuito electrico (11) para suministrar la unidad magnetica (5) de modo que interrumpa el circuito y opere los medios de valvulas (49 para su cerrado en la presencia de vapores inflamables detectados por los medios sensoriales.