builder
cap
collier
color
construction
danger
development
equipment
flat
glowing
hard
hardhat
hat
head
headgear
headlamp
headwear
helmet
icon
illustration
industrial
industry
instrument
isolated
job
labor
lamp
light
mine
miner
mining
nobody
object
occupation
orange
plastic
professional
protect
protection
retro
safe
safety
tool
work
worker
yellow