機器
architecture
build
builder
building
cement
concrete
concreting
construction
contractor
employment
equipment
foundation
gravel
industrial
industry
infrastructure
job
labor
liquid
man
material
metal
mix
mixer
mixer truck
mixing
mortar
pavement
paving
people
pour
pouring
project
public
renewal
repair
roadworks
service
sidewalk
steel
street
structure
surface
tool
truck
urban
wet
work
worker