assembly
background
blowlamp
blowtorch
brass
brazing
burner
communication
copper
engineer
engineering
equipment
factory
fitter
fitting
gas
hand
holding
industry
instrument
lamp
locksmith
man
manufacturing
measurement
metal
metalwork
mounting
person
pipe
pipeline
pipework
piping
plumbing
soldering
table
technician
tool
torch
tube
tubing
unit
water
welding
work
workbench
worker
working
workspace