architect
architecture
background
blueprint
building
business
color
construction
contractor
design
designer
diagram
document
drafting
drawing
engineer
equipment
hat
helmet
home
house
image
improvement
industry
isolated
line
measurement
measuring
object
occupation
paper
pattern
plan
project
protection
protective
residential
ruler
safety
shape
single
strength
structure
technology
tool
white
work
worker
working
yellow