機器
background
band
belt
black
blue
bulk
carbon
cargo
coal
coal storage
commercial
container
conveyor
crane
dark
deposit
dirty
energy
equipment
exploitation
extraction
fossil
fuel
global
heap
heavy
industrial
industry
load
machinery
material
metal
mine
miner
mineral
mining
pile
plant
port
power
production
raw
shipping
sky
stockpile
storage
transport
transportation
work