| Subject | English | Spanish |
| gen. | ad hoc vulnerability FLEX mechanism | Mecanismo FLEX de Vulnerabilidad |
| gen. | ad hoc vulnerability FLEX mechanism | FLEX ad hoc de Vulnerabilidad |
| el. | electric flex and plugs | cable con enchufe |
| lab.law. | extended flex-time | tiempo de trabajo flexible ampliado |
| auto. | flex agent | agente flexible |
| auto. | flex agent | aditivo flexible |
| tech. | flex-beamed hub | cubo flexible |
| tech. | flex-beamed rotor system | sistema de rotor flexible |
| tech. | flex boroscope | animascopio flexible |
| IT, el. | flex circuit | circuito impreso flexible |
| IT, el. | flex circuit | circuitos impresos flexibles |
| industr., construct. | flex cracking | agrietamiento |
| industr., construct. | flex cracking | agrietamiento por flexión |
| industr., construct. | flex cracking | cuarteamiento por flexión |
| gen. | flex-cracking | agrietado por flexión |
| industr., construct. | flex cure | vulcanización con molde flexible |
| gen. | flex-fatigue | fatiga a la flexión |
| fin. | Flex instrument | mecanismo FLEX |
| fin. | Flex instrument | FLEX |
| fin. | Flex instrument | Instrumento FLEX |
| dril. | flex joint | junta flexible |
| mater.sc., industr., construct. | flex life | resistencia a flexiones repetidas |
| fin. | Flex mechanism | Instrumento FLEX |
| fin. | Flex mechanism | FLEX |
| fin. | Flex mechanism | mecanismo FLEX |
| fin. | flex modification | modificación flex |
| fin. | flex modification | flex modificación |
| gen. | flex one's muscles | sacar músculo |
| lab.law. | flex-period | período de flexibilidad |
| commun. | flex phone | número único |
| PCB | flex-rigid double-sided printed board | tarjeta impresa flexible-rígida de doble cara |
| PCB | flex-rigid multilayer printed board | tarjeta impresa flexible-rígida multicapa |
| PCB | flex-rigid printed board | tarjeta impresa flexible-rígida |
| social.sc., lab.law. | flex-security | flexiseguridad |
| social.sc., lab.law. | flex-security | flexiguridad |
| social.sc., lab.law. | flex-security | flexibilidad y seguridad laborales |
| el. | flex system | sistema flex |
| mater.sc., industr., construct. | flex tester | máquina para ensayos de flexión |
| tech. | Pitot flex line | línea flexible del tubo Pitot |
| gen. | vulnerability FLEX mechanism | FLEX ad hoc de Vulnerabilidad |
| gen. | vulnerability FLEX mechanism | Mecanismo FLEX de Vulnerabilidad |