construction
craft
craftsman
cut
danger
employment
equipment
fabricate
factory
fire
flash
grinder
grinding
hand
heat
industrial
industry
iron
job
labor
light
manual
manufacture
manufacturing
mask
men
metal
occupation
person
plasma
power
production
protection
protective
repair
safety
skill
spark
steel
structure
tech
technical
technology
tool
welder
welding
wheel
work
worker