英文關鍵字
ore
geology
mining
mine
rock
mineral
transportation
work
fossil
coal
quarrying
bricks
minerals
copper
pieces
transporter
conveyor
industry
manufacture
rubble
gangue
machine
factory
gravel
automated
material
industrial
quarry
equipment
granite
extraction
rocks
automation
resource
relocation
natural
geological
stone
mechanized
metal
iron
production
fabrication