| English | eng-000 |
| cleaning eye | |
| 普通话 | cmn-000 | 检查孔 |
| 普通话 | cmn-000 | 清理机 |
| English | eng-000 | access eye |
| English | eng-000 | access hole |
| English | eng-000 | access opening |
| English | eng-000 | descaling machine |
| English | eng-000 | inspection hole |
| English | eng-000 | inspection opening |
| English | eng-000 | sweeper |