機器
architect
block
builder
business
cheap
city
commercial
concrete
construction
construction site
damp
delivery
development
dirty
distribution
drill
engineering
entrance
entry
equipment
fitting
foundation
frame
freight
heavy
house
industrial
industry
lorry
material
materials
pile
pipe
production
project
renovation
repair
road
site
social
steel
structure
trailer
transport
transportation
truck
urban
vehicle
work