Do you think gas control is one of the most important aspects of mine safety? Why?, What could happen if a ventilation system stopped working during a shift?, Do you think workers should receive special training about methane? Why?, Which would be more difficult to deal with underground: extreme heat, extreme cold or high humidity? Explain., Do you think companies should spend a lot of money on air-quality equipment even if it makes mining more expensive? Why?, A mine has a serious dust control problem. What solutions could management introduce?, A large amount of methane is detected in one area of the mine. What immediate measures should be taken?, If you were a shift supervisor, which three measures would you prioritize to guarantee good air quality? Why?

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