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: Floor cleaning machine 1, comprising a cleaning system 2, 3, 4, at least one front wheel 5; 5'; 5a, 5b as well as two rear wheels 6a, 6b, 6a', 6b' and a drive mechanism 7; 7a, 7b, wherein the drive mechanism is an electric mono wheel drive and wherein the operator 8 is placed on the machine, characterized in that the operator is standing on a platform 9 which is located above the geometrical axis Z between the two rear wheels, wherein the maximum vertical distance between the platform and the floor is 200 mm.
Output: Maquina limpiadora para pisos 1, que comprende un sistema de limpieza 2, 3, 4, al menos una rueda delantera 5, 5', 5a, 5b, asi como tambien dos ruedas traseras 6a, 6b, 6a', 6b' y un mecanismo de transmision 7, 7a, 7b, en donde el mecanismo de transmision es una traccion electrica con una sola rueda, en donde el operador 8 se coloca sobre la maquina, caracterizada porque el operador se para sobre una plataforma 9 que esta colocada sobre el eje geometrico Z entre las dos ruedas traseras, en donde la distancia vertical maxima entre la plataforma y el piso es de 200 mm.