What should not be in a first-aid box on site?
How will you find out about what to do in an emergency?
What should you do if the first-aid box on site is always empty?
You see the side supports move when you are working in an excavation. What should you do if you...
In an excavation, what must happen before you start each shift?
If something cannot be built in the way it has been designed, what should you do?
The best way to protect an extension cable and reduce trip hazards is?