機器
action
architecture
armature
barrel
blur
build
builder
building
business
cement
concrete
construction
contractor
development
employment
equipment
filing
fitting
floor
gravel
group
infrastructure
job
level
liquid
machinery
metal
mix
mixing
monolithic
new
pour
pouring
process
professional
project
public
pump
rebar
reinforced
site
stable
structure
tube
variation
wet
work
worker
working