architect
architecture
background
build
builder
construction
contractor
crane
design
development
electric
electricity
engineer
engineering
equipment
group
hardhat
hat
helmet
house
icon
industrial
industrial plant
industry
isolated
job
line
male
man
modern
objects
occupation
people
person
power
professional
project
protection
protective
safety
silhouette
site
structure
technology
tool
union
white
work
worker
yellow