acetylene
air
argon
attached
bottle
brass
chemical
civil engineering
compressed
construction
container
copper
cylinder
detail
device
dual
equipment
gas
gauge
indicator
industrial
industry
manometer
measure
metal
metalwork
outdoor
oxyacetylene
oxygen
pointer
pressure
propane
protective
regulator
scale
set
set up
site
steel
tank
technology
thread
tool
torch
valve
weld
welder
welding
work
workplace