Vacuum Coffee Canister For Fruit Preservation

What should I do if I haven't finished eating the potato chips and nuts I bought? Put it in the vacuum storage jar and take it out any time it is the best tasting period. The foreign team has done experiments. Half of the potato chips are placed in the air, and half of the potato chips are placed in a vacuum environment. After one month, they are taken out to eat. The potato chips in the air are already soft, but the ones in the vacuum are still It's a "click, click" taste. Product...