blue
build
builder
cap
civil
color
colorful
construction
danger
engineering
equipment
glove
greasy
hard
hardhat
harm
hat
head
head wear
headgear
helmets
impact
industrial
industry
insurance
job
labor
many
nobody
object
place
plastic
profession
protect
protection
protective
safe
safety
secure
tools
white
work
work wear
worker
workplace
yellow