Shower Curtain: tunnel opening, bore machine operation, jk01

File Details

Published: 2023-12-18 20:30:05.348201 Category: Industry Type: Video Duration: 7.05 sec. Model release: No

---

Keywords

passage, bore, backhoe, excavation, huge, structure, machine, machine, equipment, technology, construction, underground, hole, drill, tunnel, industry, subway, work, dig, machinery, workplace, infrastructure, urban, boring, transport, engineering, development, railway, build, road, subway, industrial, heavy, drilling, train, geology, vertical