Common Hazards第 41 / 100 题
Which is the correct order of the hierarchy of controls from most to least effective?
a.Elimination, substitution, engineering controls, administrative controls, PPE
b.PPE, administrative, engineering, substitution, elimination
c.Administrative, PPE, elimination, engineering, substitution
d.Substitution, PPE, elimination, engineering, administrative
解析
The correct hierarchy from most to least effective is elimination, substitution, engineering controls, administrative controls, and PPE. Higher-level controls are more reliable because they do not depend on worker behavior. PPE is the last line of defense.
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