background
blue
brick
builder
care
collection
construction
dangerous
different
engineer
equipment
fix
gear
grey
hardhats
hat
head
health
industrial
industry
instrument
items
job
life
nobody
object
occupation
personal
plastic
profession
professional
protect
protection
protective
repair
repairman
safe
safety
set
supplies
table
technician
technology
tools
wall
wear
white
work
worker
yellow