Choose your answer before opening the explanation. This is a learning exercise, not a competency assessment.
Which is NOT a published physical measure?
- 35-mesh screens
- 2 micrometre inlet filters
- Steaming casing at 54.4 °C
- Spraying walls weekly with whatever is available
See the answer and why
Spraying walls weekly with whatever is available An unlabelled spray is neither a barrier nor a permitted practice.

