instruction:
Translate the given Spanish text to English
question:
The color of the stick is improved by the addition of the chelating agent.
answer:
El color de la barra se mejora mediante la adicion del agente acomplejante.


question:
The earplug includes a stem.
answer:
El tapón auditivo incluye un rabillo.


question:
The tooth cleaning element has a base connected to the head.
answer:

El elemento de limpieza dental tiene una base conectada al cabezal.