| Subject | English | Spanish |
| mech.eng., construct. | emergency release key | llave de emergencia |
| comp., MS | Release key | combinación de teclas de liberación (The key combination (Ctrl+Alt+Left arrow key by default) that must be pressed to move keyboard and mouse focus from a guest operating system back to the physical computer) |
| automat. | release key | tecla de liberación |
| econ., transp. | release key | pulsador de liberación |