A gas that cools the weld zone to prevent cracking.
A gas that prevents porosity by burning a hot neutral flame.
A gas that does not chemically react with other elements to help produce a quality weld.
A gas that heats up the weld zone to create a better quality weld.
The coating insulates the welder from electric shocks.
The coating helps clean the weld zone from contaminates such as rust or paint.
The coating prevents water from damaging the electrode.
The coating produces a protective gas to prevent porosity.
No protection is required
Wash with soap and water.
Grind back to bare metal.
Nothing, I would weld over it.
Give it a light sand with 240 grit sandpaper.
It works well in the wind.
You can safely weld in wet conditions with it.
It takes less operator skill than other weld types.
It is slow and accurate which is good for very thin metal.
Give it a quick grind to make sure the metal is clean
Grind a single bevel preparation
Grind a double V preparation
Contact tip and shroud.
Contact tip and drive rollers.
Gas diffuser and drive rollers.
Gas bottle and earth clamp.
No treatment required for stainless.
Quench in water to remove oxides.
Apply pickling paste.
Oil to stop rust
Put it back in the store.
Only use it one more time, then get it fixed.
Take it out of service, report it and if required, tag it.
Because you will get too sweaty.
It is fine to wear.
Because static electricity can build up cause shocks.
Because it can catch fire easily and melt to your skin.