Which of the following methods are considered a safe access to a roof?
1./ Roof access hatches
2./ Fixed or mobile scaffold towers
3./ Ladders
4./ Stair towers
5./ All of the above
1./ Roof access hatches
2./ Fixed or mobile scaffold towers
3./ Ladders
4./ Stair towers
5./ All of the above
answers to follow in the next few days....
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