instruction:
Translate the given Spanish text to English
question:
are specifically claimed.
answer:
*FORMULA*


question:
Formula (A-) a .
answer:
Formula (A-)a.


question:
The pump down plugs have a passage that is initially obstructed by a material that eventually disappears under anticipated well conditions.
answer:

Los obturadores inyectados a bomba tienen un pasaje que es obstruido inicialmente por un material (44) que desaparece eventualmente bajo condiciones anticipadas de pozos.