The best time to do this is before storage.

VOA: special.2009.11.30

So it's important to realize the role of ceramics; they need to make storage jars that could be sealed very well and preserve the stuff for a very long time, and indeed, they did that.

从中希腊人意识到陶艺的重要性,他们需要烧制可以密封得很好的,可以用来长久保存食物的陶罐,他们也的确这样做了

耶鲁公开课 - 古希腊历史简介课程节选