TASK DEFINITION: Translate the given Spanish text to English
PROBLEM: The compounds are inhibitors of human neutrophil elastase.

SOLUTION: Los compuestos son inhibidores de la elastasa de neutrófilos humanos.

PROBLEM: The device is modular and stackable.

SOLUTION: El dispositivo es ensamblable y apilable.

PROBLEM: Invention useful in vehicles driven by pedals in general.

SOLUTION:
Invento para vehículos impulsados por pedales en general.