This has been prepared beforehand by boiling with lead, in the form of lead oxide, or with manganese salts.

In the press conference, after he discussed the game, he read out loud a farewell letter that he had prepared beforehand.

The text must be prepared beforehand as in subtitles.

Students are linguistically prepared beforehand using the structures needed for the tasks, but the interactions are authentic in that students express their own thoughts.

On a national level, security was prepared beforehand for public protests.