機器
architecture
bucket
build
building
bulldozer
cement
concrete
construct
construction
contractor
dig
digger
dirt
dirty
dozer
earth
engineering
equipment
excavator
foundation
homemade
house
hydraulic
hydraulics
industrial
industry
infrastructure
iron
labor
labour
land
large
metal
mover
power
project
site
sky
soil
steel
structure
tool
tools
track
tractor
transport
truck
vehicle
work