construction
cutting
electric
engineering
equipment
fabrication
flame
flat
gas
gun
handle
illustration
implements
industrial
instrument
iron
job
manufacturing
material
metal
metallurgy
metalwork
metalworking
object
pipe
pipeline
piping
production
profession
professional
repair
seam
service
soldering
spark
spray
stainless
steel
tool
torch
tube
weld
welded
welder
welders
welding
work
worker
workshop