base
bearing
building
capacity
cavity
clay
concrete
construction
cottage
deep
depth
dig
digout
ditch
dug
earth
estate
excavation
footings
foundation
ground
groundwork
hardcore
hole
house
industrial
industry
job
layer
layout
level
lot
mansion
marking
mass
out
outdoor
plant
preparation
rectangular
sand
site
smooth
soil
strip
technology
trench
wall
work
yard