Refers to the act of makingl part of something.
El alargamiento de la jornada laboral ha generado un debate sobre el equilibrio entre trabajo y vida personal.
The lengthening of the workday has generated a debate about the balance between work and personal life.
El alargamiento del puente permitirá que vehículos más grandes crucen sin problemas.
The lengthening of the bridge will allow larger vehicles to cross without issues.