Translation for "by which were" to spanish

By which were

• por el cual fueron
• mediante el cual se

Translation examples

mediante el cual se

In 2004, 59 posts were filled, 17 of which were through internal ECA promotions and 2 lateral movements between divisions.
En 2004 se cubrieron 59 puestos, 17 de los cuales mediante promociones internas y 2 mediante traslados laterales entre divisiones.

Personnel were needed with the most varied skills, some which could be taught, others which were gained with experience.
Se requiere personal con aptitudes y conocimientos muy diversos, algunos de los cuales se pueden adquirir mediante el estudio y otros mediante la experiencia.