accident
architecture
blue
builder
careful
caution
cautious
clothes
clothing
concept
construction
danger
dangerous
engineer
equipment
gear
guard
hard
hat
head
health
helmet
home
industrial
industry
job
kit
measure
measuring
personal
protect
protection
protective
regulation
rule
safe
safety
table
tape
tool
tools
top
vest
waistcoat
wear
white
work
worker
yellow