機器
backloader
bagger
belchatow
brown
carbon
cast
chiming
chimney
coal
copper
country
crag
crawler
cultivator
cut
destruction
digger
earth
energy
evening
excavator
exploitation
explore
extract
extraction
fabric
factory
geology
heap
industrial
lignite
mine
night
pit
poland
quarry
rock
sand
shale
smoke
soil
spotlight
spreader
stack
tailings
technology
transportation
transporter
trencher
works