[rancur]

if by right gas mixture you mean 100% nitrogen, it's inert, and is used in tires and bags of chips. When the bags of chips are opened, however, the other special ingredient 'crisp' that they put in escapes

[nirvdrum]

That's not what I meant.

[rancur]

what else would they use? it's perfectly inert, there's nothing to engineer. Traditionally coffee is vacuum packed, but nitrogen works fine too

[rancur]

IE, you got marketed to. That's fine, I'm just saying, I don't think they did something new