apartment
base
basis
bedrock
builder
building
business
busy
casting
cement
city
civil
concrete
construction
contractor
development
engineering
equipment
footing
formwork
foundation
fundamental
habitation
hard
helmet
high
holding
housing
industrial
industry
inhabitants
iron
living
material
occupation
pile
piling
place
property
real estate
safety
site
steel
structure
subtraction
support
supporting
town
work
workmen