| English | eng-000 |
| inspection window | |
| 普通话 | cmn-000 | 检查孔 |
| 普通话 | cmn-000 | 观察窗 |
| English | eng-000 | observation window |
| English | eng-000 | sight glass |
| English | eng-000 | sight window |
| English | eng-000 | view window |
| English | eng-000 | viewing window |
| English | eng-000 | vision light |
| English | eng-000 | window |
| русский | rus-000 | смотровое окно |
| русский | rus-000 | смотровой люк |