estaban reponiendo
-they/you were replacing
Imperfect progressiveellos/ellas/ustedesconjugation ofreponer.

reponer

El trabajo del ayudante era seguir a los trabajadores que estaban reponiendo el plywood y recoger las láminas dañadas que se habían removido.
The helper's job was to follow the workers who were replacing the plywood, and to pick up the damaged sheets of plywood they had removed.
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