controlándolos

accusative form-of gerund object-masculine object-plural object-third-person

controlarの動名詞にlosが結合した形

English Meaning

gerund of controlar combined with los

El técnico está controlándolos cuidadosamente para evitar accidentes.

技術者は事故を防ぐために、それらを注意深く制御しています。

The technician is carefully controlling them to avoid accidents.