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Coal is the official state mineral of Kentucky.
About: TEREX O&K RH340 elétrica - Electric Shovel
Alguém sabe me dizer aonde é isso
O tamanho impressiona e nem é a das maiores......
Bruta d+parcero vc sabe onde e essa mina??abcao
impressionante parece uma fabrica lembra um dinossauro a bixa é gigante viu 😨
Eita que essa escavadeira nunca viu agua kkk mas bem que isso deve dar um trabalho pra lavar
Primeiro like 👍🏽
Coal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction.
Coal is primarily used as a solid fuel to produce electricity and heat through combustion. World coal consumption was about 7.25 billion tonnes in 2010
The price of coal increased from around $30.00 per short ton in 2000 to around $150.00 per short ton as of September 2008.
In early 2015, it was trading near $56/ton.