Translate the given Spanish text to English

Input: Consider Input: The block copolymers are modified with a salt forming group.

Output: Los copolimeros de bloques son modificados con un grupo formador de sal.


Input: Consider Input: A circuit (58) for compensating variables in a measurement transmitter (2).

Output: Un circuito (58) para compensar las variables en un transmisor (2) de medicion.


Input: Consider Input: All of these operations are governed by control and processing means.


Output: Todo ello governado mediante medios de control y procesado (3).