| English | eng-000 |
| pre server | |
| 普通话 | cmn-000 | 安全装置 |
| English | eng-000 | emergency apparatus |
| English | eng-000 | fail-safe system |
| English | eng-000 | fool proof |
| English | eng-000 | foolproofness |
| English | eng-000 | relief mechanism |
| English | eng-000 | safeguard |
| English | eng-000 | safety apparatus |
| English | eng-000 | safety device |
| English | eng-000 | safety feature |
| English | eng-000 | safety gear |
| English | eng-000 | safety installation |
| English | eng-000 | security device |
| English | eng-000 | taboo facility |