LESSON PLAN - Oregon State University
2. Entering a permit space can prove fatal for an employee when the oxygen level is _____. Below 19.5 percent. Above 23.5 percent. Below 20 percent. Both a and b* 3. Any employee can enter a permit required confined space to carry out necessary repairs or maintenance. True. False* 4. Which of the following is . NOT. a confined space that ... ................
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