instruction:
Translate the given Spanish text to English
question:
A pliable material overlays the proximity sensors.
answer:
Un material flexible solapa los sensores de proximidad.


question:
The gel is substantially free of biocides.
answer:
El gel está sustancialmente libre de biocidas.


question:
The two threads are designed to work together.
answer:

Los dos roscados están diseñados para trabajar juntos.