bituminous
black
burning
business
cargo
central heating
coal
coal carriage
coal power plant
cube
deposits
ecology
effect
energy
environment
exploitation
extract
extraction
fuel
full
haulage
hauling
heavy
industry
lignite
loading
manufacturing
merchandise
metallurgical
mine
miner
mineral
mining
moving
nature
pile
power
rail
railcar
railcars
railroad
resources
shipping
station
stone
train
transferring
transportation
underground
winter