| Subject | English | Spanish |
| environ. | CFC and halons prohibition | prohibición de CFC y halones |
| environ. | CFC and halons prohibition An interdiction on the manufacture or use of products that discharge chlorofluorocarbons and bromine-containing compounds into the atmosphere, thereby contributing to the depletion of the ozone layer | prohibición de CFC y halones |
| transp. | CO2/halon installation | instalación a base de Co2/halon |
| transp., avia. | Halon 1211 | bromoclorodifluorometano |
| transp., avia. | Halon 1211 | halón 1211 |
| chem. | Halon chemical nomenclature | nomenclatura Halon |
| gen. | halon cylinder | cilindro de halon |
| transp., avia. | halon extinguishers | extintores de halón |
| chem. | Halon naming system | nomenclatura Halon |
| chem. | Halon nomenclature | nomenclatura Halon |
| chem. | Halon number system | nomenclatura Halon |
| chem. | Halon shorthand labelling system | nomenclatura Halon |
| chem. | Halon shorthand naming system | nomenclatura Halon |
| gen. | halon valve | válvula de halon |
| environ., chem. | recovered halon | halón recuperado |