Tentamen (uitwerkingen)
HAZWOPER 40 - Lesson 18: Excavations
- Vak
- Instelling
Lesson Description This lesson, Excavations, discusses OSHA's guidelines for excavation work including factors to consider before preparing excavation bids such as area traffic flow, nearby activity, surface and groundwater, height of water table, weather, and nearby utility installations. All of ...
[Meer zien]