big
carbon
coal
construction
dig
dump
dust
earth
energy
equipment
excavate
excavation
extract
extraction
fossil
fuel
heavy
hole
huge
industrial
industry
iron
land
landscape
large
machinery
machines
material
mine
mining
open
open pit
opencast
openpit
pile
pit
pollution
power
primary
raw
resource
site
source
spoil
supply
surface
waste