activity
burden
carry
clay
construction
day
digging
dirt
distribution
drag
dredging
dump
earth
engine
engineering
equipment
excavate
excavator
expansion
gear
ground
growth
heavy
industrial
industry
iron
land
landscape
large
loading
machinery
machines
mining
outdoors
power
quarry
rope
sand
shovel
sky
soil
strength
strong
surface
tipper
transport
transportation
weight
worker
working