1974-1977 Studied in the Coal Extraction Section of Shanxi College of Mining & Technology

1974-1977 山西矿业学院采煤专业学习

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Other industries, such as coal extraction, have incomparably higher death tolls and many more accidents.

其他的工业，像是采煤产业，有着极其高的伤亡数量和更多的事故。

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The stability of seam roof is one of the most important case that influences the safety of coal extraction.

煤层顶板的稳定性是影响煤层回采工作安全最重要因素之一。

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Forrest made headlines in 2011 for protesting the construction of a Montana railroad that would have facilitated coal extraction from the state because the proposed route passed through his ranch.

FORBES: Forrest Mars, Jr.

Gerwyn Williams, from UK Methane, has previously said coal bed methane extraction was already used safely worldwide.

BBC: Keynsham residents against natural gas extraction plans

It affects all "extraction" industries, including natural gas, coal, copper, diamonds and possibly timber.

FORBES: Seeing Through Big Oil