Food containers that are not waterproof include those with screw caps, snap lids,pull tops and crimped caps.

VOA: special.2010.07.19

When you look at a food label like this, first it shows you the number of servings on containers.

这是一个食品标签的样例,首先可以了解到整个包装内所含食物份数

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So do empty food containers, space boots,life support systems and an American flag.

VOA: special.2010.03.02

Reduce waste by bringing food and drinks for the trip in re-usable containers.

VOA: special.2009.06.19

And the Extension Service at North Dakota State University offers other advice: Do not save plastic bags of food even if boxes or containers inside the bags appear dry.

VOA: special.2010.07.19