Nitrous oxide – also called laughing gas, NOS or nangs – is a colourless gasoline that has been applied to supply sedation and agony reduction throughout childbirth and insignificant dental procedures for greater than 150 years. A nangs is a little metal cylinder that contains nitrous oxide fuel. It’s https://nangsmelbourne21858.bloggerbags.com/27079507/an-unbiased-view-of-nangs