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結果 : what are the risks of mining coal
2:54

Coal Mining's Environmental Impact | From The Ashes

National Geographic
364,095 回視聴 - 7 年前
5:23

COAL MINING: The Dangerous History of Life in a Coal Mine

Commodity Culture
36,676 回視聴 - 2 年前
1:06

Dangers of coal mining

The Baltimore Sun
2,075 回視聴 - 14 年前
2:19

Industrial Revolution: Coal Mining

Inspire Education
53,846 回視聴 - 3 年前
2:18

Coal 101: What's Wrong with Coal?

SierraClub
202,195 回視聴 - 11 年前
2:33

Coal - EP 3 - Roof Bolter Runs Risk

Discovery UK
115,355 回視聴 - 12 年前
42:27

Coal Mining Documentary - The Most Dangerous Job On Earth - Classic History

Classic History
218,021 回視聴 - 6 年前
10:53

How Illegal Coal Mining Became One Of The Most Dangerous Jobs In India | Risky Business

Insider News
2,602,404 回視聴 - 1 年前
3:50:08

Uranium's Challenges, Coal's Dominance, and the India-China Natural Resource War

Resource Talks
505 回視聴 - 8 時間前

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1:07:13

The Riskiest Jobs In the World That Mine Sulfur, Salt and Coal | Insider News

Insider News
2,015,897 回視聴 - 1 年前
22:40

Coal Mining Risk Assessment webinar by the Coal Authority

The Coal Authority
2,074 回視聴 - 3 年前

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12:25

Dangers of Coal Mining in the 1800s

StrangeAgo
10,213 回視聴 - 3 年前
10:53

How Illegal Coal Mining Became One Of The Most Dangerous Jobs In India

Business Insider India
3,835 回視聴 - 1 年前
3:51

Coal mining risk assessment | Earth Environmental

Earth Environmental
228 回視聴 - 4 年前
3:00

South Africa: Abandoned Coal Mines Risk Safety, Rights

Human Rights Watch
3,031 回視聴 - 1 年前
1:30:21

What Coal Mining Hydrogeology tells us about the Real Risks of Fracking_London Lecture_May 2016

The Geological Society
4,903 回視聴 - 8 年前
1:31

Coal dust - more harmful than you think

ROCD
412 回視聴 - 4 年前
12:35

How coal mining is displacing millions

DW Planet A
60,908 回視聴 - 3 年前
14:00

Pike River Coal Mine Disaster 2010 | Third World Standards In a First World Country

Curiosity Vault
118,153 回視聴 - 1 年前
8:40

Mining Industries hazards and Precautions || Coal/Iron mines safety video.

SAFETY MGMT STUDY
21,354 回視聴 - 2 年前