the coal industry consumed 67 percent of explosives manufactured in the United States in the late 1990s and remained the largest application for explosives use in the United States.
Historically, the explosives industry has been closely aligned with the coal mining industry
explosives such as black powder have been used in the United States to mine for minerals, break rock, clear fields, and build roads.
Roughly 3 million metric tons of explosives were produced in the United States. The coal industry continued to be the largest domestic user, accounting for 67 percent of total explosives consumption.
compared to what. Percentage of coal used to make iron/steel, or percentage of coal shipped overseas, or percentage of coal used to make electricity, or....
1g
To make coal
Harold Putnam Greenwald has written: 'Tests on the ignition of natural gas-air mixtures by permissible explosives in the experimental coal mine' -- subject(s): Coal mines and mining, Explosives 'Coal-mine ventilation factors' -- subject(s): Coal mines and mining, Mine ventilation
Every year, approximately 909,064 million tonnes is consumed.
Coal mining is the major industry in West Virginia.
a coal industry or fishing industry. a coal industry or fishing industry. this means anything that is sourced from the ground is an example of the primary sector
Datong Coal Industry Company Limited was created in 2001.
Huaibei Coal Industry Teachers College was created in 1974.