| Subject | Spanish | English |
| earth.sc. | arco continuo | continuous arc |
| therm.energ. | electrodo negativo de una antorcha de plasma de arco en corriente continua | cathode of a non transferred or transferred arc plasma torch |
| therm.energ. | electrodo positivo de una antorcha de plasma de arco en corriente continua | anode of a non-transferred or transferred arc plasma torch |
| therm.energ. | horno de arco de corriente continua | direct current arc furnace |
| met. | horno eléctrico de arco de corriente continua | d.c.three-electrode arc furnace |