architect
armor
armour
blue gray
build
builder
business
cog
cogwheel
config
configuration
construction
design element
development
engineer
equipment
flat
gear
hard hat
hardhat
hat
helmet
industrial
industry
job
machinery
mechanic
mechanical
occupation
options
pictogram
pictograph
preferences
professional
progress
protect
protection
protective
safety
service
settings
shield
symbol
system
technical
technology
tools
vector icon
work
worker