12. Two masons are preparing to work on a rolling scaffolding system. Mason A says that since the scaffolding is greater than six ft high, it must have


guardrails and toe boards. Mason B says that the guardrails must be 42" from the walking surface of the scaffolding and be able to withstand 200 lb of Impact.


Which mason is correct?


A. Only Mason A is correct.


• B. Only Mason B is correct.


• C. Neither Mason A nor Mason B is correct.


• D. Both Mason A and Mason B are correct.



Answer :

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