| English | eng-000 |
| protective ground | |
| 普通话 | cmn-000 | 保护地 |
| 普通话 | cmn-000 | 保护性接地 |
| 普通话 | cmn-000 | 保护接地 |
| English | eng-000 | area under glass |
| English | eng-000 | frame area |
| English | eng-000 | protected areas |
| English | eng-000 | shelter |
| English | eng-000 | sheltered ground |
| русский | rus-000 | защитное заземление |