機器
activity
base
beam
building site
cement
civil engineering
column
compact
compacting
compactor
concrete
construction
edifice
flatten
flattener
foundation
ground
heavy
impale
industrial
industry
joist
landscape
leveling
machinery
mechanical
passing over
pillar
pressure
progress
roller
sand
sandy
site
soil
spike
steamroller
structure
surface
terrain
transform
transformation
vibrate
vibration
wheel
work
worker
yellow
zone