機器
backhoe
bench slope
career
colliery
contour
deep
dig
dredge
dumps
earthmoving
engineering
equipment
excavating
excavation
excavator
extraction
fossil
horizon
industry
ledge
loading
minerals
mining camp
mining equipment
mountain
mover
open development
ore
pit
power
profound
quarry
quarrying
rabbet
rock
route
russia
shoulder
siberia
site
slope
special machinery
technology
tourism
transportation
travel
useful
work