| Subject | English | Czech |
| construct. | ground conductor for lighthing protection system | zemnič bleskosvodu |
| construct. | grounding conductor for lighthing protection system | zemnič bleskosvodu |
| environ. | protection system A series of procedures and devices designed to preserve people, property or the environment from injury or harm | systém ochranný |
| social.sc. | social protection system | systém sociální ochrany |
| environ. | stationary fire protection system | stacionární systém požární ochrany |