你是專業人士:你所做的一切,「安全」佔了一部份!
Traditional Chinese translation of Underground Utilities.
This video demonstrates why it is important to know the location of all undeground utilities before you dig.
This video is part of a series called You're a Pro: Safety Is Part of Everything You Do. The other videos in this series are:
Mobile Equipment
Angle Grinders
Supervision in Construction
2021-04-22 20:42:33