The Correct 40 Point Response is:

1. Where structural components are chronically covered by mined materials, dust, or dirt.
2. Where structural components are difficult to see from normal mine walkways (too high, blocked from view, or facing away from the direction of normal access).
3. Where structural components are in areas infrequently visited by workers.

4. Others?

Give your team 40 Points for the correct response.

Explanation