Team Trainer Test No. 1 Taken from the 2016 Central Mine Rescue Team Trainer Contest held in Kellogg, ID
Progress Indicator:
 
Question 2 of 30
2. Carbon monoxide can be detected by means of carbon monoxide detectors, __________, or by chemical analysis. (Statement No. 2)
Choices:
- flame safety lamp
- white mice
- oxygen detectors
- multi-gas detectors
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