| Subject | English | Spanish |
| mech.eng. | cap key | llave de tubo |
| mech.eng. | cap key | llave recta de tubo |
| mech.eng. | cap key | llave tubular |
| mech.eng. | cap key | llave de vaso |
| mech.eng. | cap key | llave de cazoleta |
| comp., MS | CAPS LOCK key | tecla Bloq Mayús (A toggle key that, when on, shifts the alphabetic characters on the keyboard to uppercase) |