Every few minutes, a black smudge, smattered with muddy puddles, denotes a coalmine.
A MILE below the surface in the Karkar coalmine in the Afghan province of Baghlan, the miners toil amid the ominous sound of cracking and splintering wood.
This article has made statistic and analyses on many types of flameproof button and switches used in coalmine, such as travel switch, limit switch, pull switch, and so on.
The Jiegou coalmine is situated at southern Huaibei coalfield, designed capacity is 0.
Based on the statistics of exploratory boring data, the main characters are researched on magmatic intrusion in Qidong coalmine.
The result of study indicates, the digital coalmine is a long-term but arduous task, need production unit and all relevant department's close cooperation of coal mine, rational development of science.
Methods The prevalence situation of pneumoconiosis of coalmine workers in Huainan coalmine Group Company in 50 years was analyzed with epidemiological method.
A 250-metre high mountain of waste material from the local coalmine had been piled up outside the village of Aberfan.
Water disaster is one of the main disasters in coalmine.
This turns Twitter intoan early-warning system (like a canary in a coalmine) for spotting negativebuzz and heading it off before it doesreal damage toyour bottom line.
We will continue to work to bring coalmine gases under control and to remedy safety problems in coal mines.
Huainan coalfield is rich in coalbed methane resources and has large - scale coalmine methane drainage.
The surface subsidence above coalmine gob area is a typical and serious geological environment problem in Yongcheng mining area.
Coal measures in Xiaonan coalmine belong to Jurassic terrestrial deposit.
Wherever there's a road, there's a coalmine.
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