Underground refuge chamber (Underground Mine and Shaft Works)
A six metre steel refuge chamber on skids with a sealed door, a viewing port, external breathing air cylinders, a scrubber cabinet, a roof beacon and an entry step with handrails.
- 格式
- GLB
- 文件大小
- 36 KB
- 三角面
- 700
- 许可
- CC0 1.0