serious
scaffold
fully planked
fall arrest system
guardrail
brace
mobile scaffold
wheel locks
affirmative defense of employee misconduct
N.C.G.S. § 95-127(18)
29 CFR § 1926.451(b)(1)
29 CFR § 1926.451(g)(1)
29 CFR § 1926.452(w)(1)
29 CFR § 1926.452(w)(2)