Nitrous oxide was synthesised by an English chemist, Joseph Priestly, in 1722 and employed to be a recreational drug at laughing fuel parties. It wasn’t utilised being an help to surgery until finally 1844. The phrase 'nangs' is Australian slang that refers to smaller canisters of nitrous oxide (N2O). https://franciscoviqzh.ampedpages.com/little-known-facts-about-nangs-delivery-49543331