機器
activity
architecture
board
bucket
build
builder
bulldozer
carpentry
cement
cementing
concrete
construction
equipment
fill
form
formwork
foundation
frame
gravel
hands
heavy
industrial
industry
job
labor
machinery
material
mixer
mixing
object
outdoor
plank
pouring
road
shovel
site
spade
timber
tool
transportation
vehicle
wall
wood
wooden
work
worker