 |
| |||
| invasive work (vessel entry, pipe repairs Leonid Dzhepko) | |||
| |||
| close space entry (MichaelBurov); closed space entry (MichaelBurov); confined space entry (MichaelBurov) | |||
| работы в замкнутом пространстве: 4 短语, 3 学科 |
| 一般 | 1 |
| 生产 | 2 |
| 职业健康和安全 | 1 |
|
| |||
| invasive work (vessel entry, pipe repairs Leonid Dzhepko) | |||
| |||
| close space entry (MichaelBurov); closed space entry (MichaelBurov); confined space entry (MichaelBurov) | |||
| работы в замкнутом пространстве: 4 短语, 3 学科 |
| 一般 | 1 |
| 生产 | 2 |
| 职业健康和安全 | 1 |