Exam (elaborations)
NWSA TTT-2 Exam; Questions & Answers (Grade A+)
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NWSA TTT-2 Exam; Questions & Answers (Grade A+) When is a High-Visibility Vest required? Correct Answer-When in a public easement. How long after welding is completed does a spotter have to monitor a site for fires? Correct Answer-1 hour
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