all 3 comments

[–]Titanic 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Pass air over burning magnesium or iron or pass it through a chromatographic seperator and you can remove oxygen from it that way.

[–]IkeConn 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Bullets are cheap, plentiful, and a sure fire way to get the job done.

[–]iamonlyoneman 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Nitrogen can be made on-site, they don't need to buy it LOL