30s
adult
architecture
asian
brick
builder
building
business
cement
chinese
confident
constructing
constructor
contractor
cottage
craftsman
development
draft
drill
equipment
finishing
helmet
house
industry
inside
job
kazakh
labor
man
person
portrait
private
process
professional
project
protection
reconstruction
renovate
renovation
repair
screwdriver
technology
tool
uniform
work
workman