instruction:
Translate the given Spanish text to English
question:
A valve is disposed relative to the outer member proximal of the first port.
answer:
Se coloca una válvula en relación al miembro externo proximal al primer orificio.


question:
A threaded joint is constituted by a pin (10) and a box (20).
answer:
Una junta roscada está construida con un perno (10) y una caja (20).


question:
A manually articulated stylet assembly for placing an endotracheal tube.
answer:

Un conjunto de estilete articulado manualmente para colocar un tubo endotraqueal.