After metal filings injure eyes in a municipal machine shop, managers first buy darker safety posters and skip removing or redesigning the grinding source. What hierarchy-of-controls mistake is this?
Select an answer to reveal the explanation.
Short Explanation
Posters do not stop flying metal—physics does. When filings are hitting eyes, climb the hierarchy: eliminate or change the grind before you redecorate the wall. Awareness helps; it does not replace removing the source.
Full Explanation
The hierarchy of controls prefers higher-order measures such as elimination and substitution before administrative controls and PPE. Safety posters are low on that hierarchy and do not remove the energy that causes injury. Programs should evaluate feasible source controls before defaulting to awareness materials.