arc
black
bright
busy
construction
contemporary
contrast
copy space
coveralls
crafts
danger
dark
engineering
equipment
eye wear
fabricator
face
factory
flame
gun
industrial
industry
iron
light
machinist
manual
manufacture
manufacturing
mask
metal
metalwork
obscured
occupation
one
part
people
person
protection
protective
safety
skill
sparks
steel
technology
torch
wear
welder
welding
work
worker