From [ Ссылка ], this video covers some of the hazards workers can be exposed to when working in trenching or excavating operations as well as precautions to take that will help ensure a safe working environment. Topics covered include soil conditions, proper sloping, shoring and shielding systems, atmospheric hazards, underground utilities, water accumulation, and access & egress.
![](https://i.ytimg.com/vi/kFOPDH5NTWY/maxresdefault.jpg)