instruction:
Translate the given Spanish text to English
question:
The phosphonylation may be performed prior to or after polymerization.
answer:
La fosfonilacion puede realizarse antes o despues de la polimerizacion.


question:
The interactive toy figure is connected to the computer by a tether (34).
answer:
La figura de juguete interactiva se conecta a la computadora por una atadura (34).


question:
The valve stem is slideably sealed by an inner annular surface of both hydraulic seals.
answer:

El vastago de la valvula se sella deslizante mediante una superficie anular interna de ambas juntas hidraulicas.