What is pure Nitrogen originally used for?

[Deleted member 23726]

What is pure nitrogen originally used for if not suicide?

 

[Red]

Flushing out/purging gas tanks?

 

[Greenberg]

What is pure nitrogen originally used for if not suicide?

It is also used for welding to act as a protective shield from oxidation as the weld is being formed. And do not forget about Guinness beer as a replacement for carbonation.

 

[Lastsauce]

Nitrogen is also used in some beer kegs and as a food preservative.

 

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All the above are correct and a quick google search will show you some other options as well

 

[Deleted member 23726]

Flushing out/purging gas tanks?

Is pure nitrogen easy to obtain?